Ohio County History and Listings

Ohio County History and Listings

Our county-by-county listing of Ohio has contact information and dates vital records for historic and modern-day counties.

Jump to a letter within the listings: A-C | D-F | G-I | J-L | M-O | P-S | T-V | W-Z

Adams
110 W. Main St., West Union, OH 45693
(937) 544-5547
http://www.adamscountyoh.com
Incorporated: July 10, 1797
Parent county: Hamilton
Marriage records: start in 1910, kept by Probate Court
Divorce: 1910, Clerk of Courts
Land: 1797, County Recorder
Probate: 1910, Probate Court
Court: 1910, Clerk of Courts
Notes: Probate Court has non-certifiable township birth and death records 1888-1893, marriage records 1803-1833, Wills 1849-1860, and a book by the genealogy society of marriages 1834-1910. Courthouse burned in 1910, some records saved, some as early as 1796; records of several adjacent counties prior to their formation included.

Allen
301 N. Main St., Lima, OH 45802
(419) 223-8513
http://www.co.allen.oh.us
Parent county: Shelby
Incorporated: Feb. 12, 1820
Marriage Records: start in 1831, kept by Probate Court
Divorce: 1831, Clerk of Courts
Probate: 1831, Probate Court
Court: 1831, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. County Museum has naturalization records 1830s-1870s.

Ashland
142 W. Second St., Ashland, OH 44805
(419) 282-4235
http://www.ashlandcounty.org
Incorporated: Feb. 24, 1846
Parent counties: Wayne, Richland, Huron, Lorain
Marriage Records: start in 1846, kept by Probate Court
Land: 1847, County Recorder
Probate: 1846, Probate Court
Notes: Probate Court has birth records 1879-1908 and death records 1867-1908. Clerk of Courts has court and divorce records from mid 1800s.

Ashtabula
25 W. Jefferson St., Jefferson, OH 44047
(440) 576-3637
http://www.co.ashtabula.oh.us
Incorporated: Feb. 10, 1807
Parent counties: Trumbull, Geauga
Marriage Records: start in 1812, kept by Probate Court
Divorce: 1811, Clerk of Courts
Land: 1800, County Recorder
Probate: 1811, Probate Court
Court: 1811, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Athens
Court & Washington Sts., Box 290, Athens, OH 45701
(614) 592-3242
http://www.athenscountygovernment.com
Incorporated: Feb. 20, 1805
Parent county: Washington
Marriage Records: start in 1800, kept by Probate Court
Divorce: 1800, Alden Library Archives
Land: 1790, County Recorder
Probate: unknown, Probate Court
Court: ca. 1800, Alden Library Archives
Notes: Probate Court has birth and some death records 1867-1908.

Auglaize
201 Willipie St. Suite 103, Wapakoneta, OH 45895
(419) 738-7710
http://www2.auglaizecounty.org
Incorporated: Feb. 14, 1848
Parent counties: Allen, Mercer, Darke, Hardin, Logan, Shelby, Van Wert
Marriage: start in 1848, kept by Probate Court
Divorce: 1848, Clerk of Courts
Land: ca. 1830, County Recorder
Probate: 1848, Probate Court
Court: 1848, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Belmont
101 W. Main St., St. Clairsville, OH 43950
(740) 699-2169
http://www.belmontcountyohio.org
Incorporated: Sep. 7, 1801
Parent counties: Jefferson, Washington
Marriage Records: start ca. 1800, kept by Probate Court
Probate: ca. 1800, Probate Court
Court: 1803, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. Divorce records will be in journals from 1803-1897. St. Clairsville Library has cemetery/tombstone records.

Brown
101 S. Main St., Georgetown, OH 45121
(937) 378-3100
http://www.browncountyohio.gov
Incorporated: Dec. 27, 1817
Parent counties: Adams, Clermont
Marriage Records: start in 1818, kept by Probate Court
Divorce: 1800, Clerk of Courts
Land: 1818, County Recorder
Probate: 1818, Probate Court
Court: ca. 1800, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Butler
315 High St., Hamilton, OH 45011
(513) 887-3278
http://www.butlercountyohio.org
Incorporated: March 24, 1803
Parent county: Hamilton
Marriage records: start in 2000, kept by Probate Court
Divorce: 1976, Clerk of Courts
Land: 1978, County Auditor
Probate: unknown, Probate Court
Notes: Butler County Health Department has birth and death records 1914-present, City of Hamilton Health Department 1913-present, and City of Middletown 1885-present. City of Hamilton and County birth and death records 1909-1912 were lost in a flood. Archive building has birth and death records 1867-1908 plus other record types prior to 1976.

Carroll
119 Lisbon St., Carrollton, OH 44615
(330) 627-4869
http://pages.eohio.net/carrcomm
Incorporated: Dec. 25, 1832
Parent counties: Columbiana, Stark, Harrison, Jefferson, Tuscarawas
Marriage Records: start in 1936, kept by Probate Court
Divorce: 1833, Clerk of Courts
Land: 1831, County Recorder
Probate: 1947, Probate Court
Court: 1833, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1909. All public records other than land records prior to years noted are housed at the Genealogy Building on Second Street.

Champaign
200 N. Main St., Urbana, OH 43078
(937) 653-2746
http://www.co.champaign.oh.us
Incorporated: Feb. 20, 1805
Parent counties: Greene, Franklin
Marriage records: start in 1802, kept by Probate Court
Divorce: ca. 1800, Clerk of Courts
Land: 1805, County Recorder
Probate: 1800, Probate Court
Court: 1800, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Clark
101 N. Limestone St., Springfield, OH 45502
(937) 328-2458
http://www.clarkcountyohio.gov
Incorporated: Dec. 26, 1817
Parent counties: Champaign, Madison, Greene
Marriage Records: start in 1818, kept by Probate Court
Divorce: 1991, Common Pleas Court
Land: 1818, County Recorder
Probate: 1818, Probate Court
Court: 1850, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908 and naturalization records 1861-1904. Clerk of Courts has divorce records late 1880s-1990. The Heritage Center houses the Clark County Historical Society, a genealogy department and library.

Clermont
270 Main St., Batavia, OH 45103
(513) 732-7308
http://www.clermontcountyohio.gov
Incorporated: Dec. 6, 1800
Parent counties: Hamilton
Marriage Records: start in 1800, kept by Probate Court
Divorce: 1861, Clerk of Courts
Land: 1800, County Recorder
Probate: 1800, Probate Court
Court: 1803, Clerk of Courts
Naturalization: 1860, Probate Court
Notes: Probate Court has birth and death records 1867-1908.

Clinton
46 S. South St., Wilmington, OH 45177
(937) 382-2316
http://co.clinton.oh.us
Incorporated: Feb. 19, 1810
Parent counties: Highland, Warren
Birth records: start in 1908, kept by Department of Health
Marriage: 1817, Probate Court
Divorce: 1810, Clerk of Courts
Death: 1908, Department of Health
Land: 1806, County Recorder
Probate: 1810, Probate Court
Court: 1810, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. Many original birth, death and marriage records are kept at the Records Center on Nelson Avenue.

Columbiana
105 S. Market St., Lisbon, OH 44432
(330) 424-9511
http://www.columbianacounty.org
Incorporated: March 25, 1803
Parent counties: Jefferson, Washington
Marriage records: start in 1803, kept by Probate Court
Divorce: unknown, Clerk of Courts
Land: 1798, County Recorder
Probate: 1803, Probate Court
Court: 1803, Clerk of Courts
Notes: Probate has birth and death records 1867-1908. Birth and death records from 1909 to the present are at the City or County Health Departments of Salem City, East Liverpool City, or East Palestine City. Clerk of Courts has naturalization records 1840-1970.

Coshocton
318 Main St., Coshocton, OH 43812
(740) 622-1456
http://www.coshoctoncounty.net
Incorporated: Jan. 31, 1810
Parent counties: Tuscarawas, Muskingum
Marriage Records: start in 1811, kept by Probate Court
Divorce: 1811, Clerk of Courts
Land: 1800, County Recorder
Probate: 1811, Probate Court
Court: 1811, Clerk of Courts
Notes: Probate has birth and death records 1867-1908. Common Pleas has some naturalization records from 1912.

Crawford
112 E. Mansfield St., Bucyrus, OH 44820
(419) 562-2766
http://www.crawford-co.org
Incorporated: Feb. 12, 1820
Parent county: Delaware
Marriage records: start in 1831, kept by Probate Court
Notes: Probate Court has birth and death records 1867-1908. Galion City Health Department has birth and death records for the city only from 1909 to the present. The County Health Department has all others.

Cuyahoga
2905 Franklin Blvd., Cleveland, OH 44113
(216) 443-7250
http://www.cuyahogacounty.us
Incorporated: Feb. 10, 1808
Parent county: Geauga
Land records: start in 1810, kept by County Administration Building
Probate: 1810, Probate Court
Notes: Probate Court has birth and death records 1868-1908. Western Reserve Historical Society has marriage records 1810-1941 and tax records 1819-1869. County Archives has naturalization records 1818-1971. Clerk of Courts has divorce records 1837-1925.

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Darke
504 S. Broadway St., Greenville, OH 45331
(937) 547-7335
http://ohdarke.ohgenweb.net
Incorporated: Jan. 3, 1809
Parent county: Miami
Marriage Records: start in 1817, kept by Probate Court
Divorce: ca. 1800, Clerk of Courts
Land: 1816, County Recorder
Probate: 1800, Probate Court
Court: 1800, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. County Recorder has burial records (veterans graves) from 1832.

Defiance
510 Court St., Defiance, OH 43512
(419) 782-8918
http://www.defiance-county.com
Incorporated: March 4, 1845
Parent counties: Williams, Henry, Paulding
Marriage Records: start in 1845, kept by County Records Center
Divorce: 1845, County Records Center
Land: 1823, County Recorder
Notes: County Records Center has birth and death records 1867-1908, naturalization records 1872-1903, military discharge records 1865-1974, and circuit court probate and court records of closed cases from 1845 to the present.

Delaware
91 N. Sandusky St., Delaware, OH 43015
(740) 833-2500
http://www.co.delaware.oh.us
Incorporated: Feb. 10, 1808
Parent county: Franklin
Divorce records: start in 1825, kept by Records Center
Land: 1803, County Records Center
Probate: 1812, County Records Center
Notes: Records Center has birth and death records 1867-1908, marriage records 1835-1995. Genealogical society has court records 1835-1883.

Erie
323 Columbus Ave., Sandusky, OH 44870
(419) 627-7705
http://www.erie-county-ohio.net
Incorporated: March 15, 1838
Parent counties: Huron, Sandusky
Marriage Records: start in 1838, kept by Probate Court
Divorce: 1838, Clerk of Courts
Land: 1838, County Recorder
Probate: 1841, Probate Court
Court: 1838, Clerk of Courts
Notes: Probate Court has birth and death records 1856-1908.

Fairfield
224 E. Main St., Box 370, Lancaster, OH 43130
(740) 687-7030
http://www.co.fairfield.oh.us
Incorporated: Dec. 9, 1800
Parent counties: Ross, Washington
Marriage Records: start in 1803, kept by Probate Court
Divorce: 1803, Clerk of Courts
Land: 1800, County Recorder
Probate: 1802, Probate Court
Court: 1803, Clerk of Courts
Notes: Probate Court has birth records 1867-1909.

Fayette
110 E. Court St., Washington Court House, OH 43160
(740) 335-6371
http://www.fayette-co-oh.com
Incorporated: Feb. 19, 1810
Parent counties: Ross, Highland
Divorce records: unknown start, kept by County Archives
Land: 1810, County Archives
Probate: 1828, County Archives
Court: 1828, County Archives
Notes: Probate court has birth and death records 1867-1908. Some records lost in 1828 courthouse fire.

Franklin
373 S. High St., Columbus, OH 43215
(614) 462-3600
http://www.co.franklin.oh.us
Incorporated: March 30, 1803
Parent county: Ross
Marriage Records: start in 1803, kept by Probate Court
Divorce: 1820, Clerk of Courts
Land: 1803, County Recorder
Court: unknown, Clerk of Courts
Notes: Probate Court has birth and death records from before 1867 to 1908 and probate records 1803-1944.

Fulton
210 S. Fulton St., Wauseon, OH 43567
(419) 337-9230
http://www.fultoncountyoh.com
Incorporated: Feb. 28, 1850
Parent counties: Lucas, Henry, Williams
Marriage Records: start in 1864, kept by Probate Court
Divorce: 1850, Clerk of Courts
Land: 1850, County Recorder
Probate: 1864, Probate Court
Court: 1850, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908 and naturalization records ca. 1867-1908.

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Gallia
18 Locust St., Gallipolis, OH 45631
(740) 446-4612
http://www.gallianet.net/Gallia/index.htm
Incorporated: March 25, 1803
Parent counties: Washington, Adams
Divorce records: start in 1870, kept by Clerk of Courts
Land: 1795, County Recorder
Probate: 1803, Probate Court
Court: 1870, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Geauga
100 Short Court St., Ste. 300, Chardon, OH 44024
(440) 285-2222
http://www.co.geauga.oh.us
Incorporated: Dec. 31, 1805
Parent county: Trumbull
Marriage Records: start in 1806, kept by Probate Court
Divorce: 1806, Clerk of Courts
Land: 1798, County Recorder
Probate: 1806, Probate Court
Court: 1806, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Greene
45 N. Detroit St., Xenia, OH 45385
(937) 562-5290
http://www.co.greene.oh.us
Incorporated: March 24, 1803
Parent counties: Hamilton, Ross
Marriage Records: start in 1803, kept by Probate Court
Divorce: 1802, Clerk of Courts
Land: 1803, County Recorder
Probate: 1803, Probate Court
Court: 1803, Clerk of Courts
Tax: 1803, County Auditor
Notes: Probate Court has Birth records 1869-1908. Greene County Library has obituaries, birth and death records 1869-1908, marriage records 1803-1968, wills and estates 1803-1950, and land records 1803-1940.

Guernsey
801 Wheeling Ave., Cambridge, OH 43725
(740) 432-9230
http://www.guernseycounty.org
Incorporated: Jan. 31, 1810
Parent counties: Belmont, Muskingum
Marriage Records: start in 1812, kept by Probate Court
Divorce: 1850, Clerk of Courts
Land: 1802, County Recorder
Probate: 1812, Probate Court
Court: 1810, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1909.

Hamilton
1000 Main St., Cincinnati, OH 45202
(513) 946-5635
http://www.hamilton-co.org
Incorporated: Jan. 2, 1790
Parent county: Original county
Marriage records: start in 1817, kept by Probate Court
Divorce: 1830, Clerk of Courts
Land: 1789, County Recorder
Probate: 1791, Probate Court
Notes: Probate Court has birth records 1864-1908 and death records 1822-1908. Clerk of Courts has court records from mid 1800s. Records 1791-1884 incomplete due to fire and other losses.

Hancock
300 S. Main St., Findlay, OH 45840
(419) 424-7037
http://www.co.hancock.oh.us
Incorporated: Feb. 12, 1820
Parent county: Logan
Marriage Records: start in 1828, kept by Probate Court
Divorce: 1830, Clerk of Courts
Land: 1830, County Recorder
Probate: 1828, Probate Court
Court: unknown, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Hardin
1 Courthouse Sq. Suite 310, Kenton, OH 43326
(419) 674-2278
http://www.hardincountyoh.com
Incorporated: Feb. 12, 1820
Parent county: Logan
Marriage Records: start in 1833, kept by Probate Court
Divorce: 1864, Clerk of Courts
Death: unknown, Probate Court
Land: 1831, County Recorder
Probate: 1830, Probate Court
Court: 1833, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. Clerk of Courts has court and divorce records from mid 1800s.

Harrison
100 W. Market St., Cadiz, OH 43907
(740) 942-8863
http://harrisoncountyohio.org
Incorporated: Jan. 2, 1813
Parent counties: Jefferson, Tuscarawas
Marriage Records: unknown start, kept by Probate Court
Divorce: 1819, Clerk of Courts
Land: unknown, County Recorder
Probate: unknown, Probate Court
Court: unknown, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1990.

Henry
660 N. Perry St., Napoleon, OH 43545
(419) 592-5886
http://www.henrycountyohio.com
Incorporated: Feb. 12, 1820
Parent county: Shelby
Marriage Records: start in 1847, kept by Probate Court
Divorce: 1860, Clerk of Courts
Death: 1909, Department of Health
Land: 1847, County Recorder
Probate: 1847, Probate Court
Court: 1860, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. Henry County was attached to Wood and Williams counties from 1820-1834; check these counties for early court records.

Highland
105 N. High St., Hillsboro, OH 45133
(937) 393-9957
http://www.co.highland.oh.us
Incorporated: Feb. 18, 1805
Parent counties: Ross, Adams, Clermont
Birth records: start in 1909, kept by Department of Health
Marriage: 1830, Probate Court
Divorce: 1805, Clerk of Courts
Death: 1909, Department of Health
Land: 1805, County Recorder
Court: 1805, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. Clerk of Courts has some naturalizations. Recorder’s office has some military discharge and burial records. Probate Court has probate records ca. 1800-ca. 1810.

Hocking
1 E. Main St., Logan, OH 43138
(740) 385-2616
http://www.co.hocking.oh.us
Incorporated: Jan. 3, 1818
Parent counties: Athens, Ross, Fairfield
Divorce records: start in 1873, kept by Clerk of Courts
Land: 1818, County Recorder
Probate: 1813, Probate Court
Court: 1820, Clerk of Courts
Notes: Probate Court has birth records 1867-1909, death records 1867-1908, and marriage records 1818-1990.

Holmes
1 E. Jackson St., Millersburg, OH 44654
(330) 674-1876
http://www.co.holmes.oh.us
Incorporated: Jan. 20, 1824
Parent counties: Coshocton, Wayne, Tuscarawas
Marriage records: 1825, Probate Court
Land: 1825, County Recorder
Probate: 1825, Probate Court
Court: 1850, Clerk of Courts
Military: 1825, County Recorder
Burial: 1825, County Library
Notes: Probate Court has birth and death records 1867-1908.

Huron
2 E. Main St., Norwalk, OH 44857
(419) 668-5113
http://www.huroncountyclerk.com
Incorporated: Feb. 7, 1809
Parent counties: Portage, Cuyahoga
Marriage records: start in 1815, kept by Probate Court
Land: 1808, County Recorder
Probate: 1815, Probate Court
Court: 1815, County Clerk
Tax: 1820, County Auditor
Military: 1865, County Recorder
Notes: Probate Court has birth and death records 1867-1908, name changes and clergy records 1823-1976, and naturalization records 1859-1899. County Recorder has Connecticut Fire Sufferers records 1792-1808. County Auditor has infirmary records 1848-1974, tax records 1815-1825, land partition records 1815-1920, county militia lists 1864-1865, and Indigent Soldier Burial records 1880-1920. County Clerk has divorce records 1815-1859.

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Jackson
226 E. Main St., Jackson, OH 45640
(740) 286-2006
http://www.jcclerk.com
Incorporated: Jan. 12, 1816
Parent counties: Scioto, Gallia, Athens, Ross
Marriage Records: start in 1817, kept by Probate Court
Divorce: 1800, Clerk of Courts
Land: 1816, County Recorder
Probate: 1867, Probate Court
Court: 1800, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Jefferson
301 Market St., Steubenville, OH 43952
(740) 283-8583
http://www.jeffersoncountyoh.com
Incorporated: July 27, 1797
Parent county: Washington
Marriage Records: start in 1803, kept by Probate Court
Divorce: 1797, Clerk of Courts
Land: 1796, County Recorder
Probate: 1798, Probate Court
Court: 1797, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908 and naturalization records 1863-1903. Kent State University Library has naturalization records 1800-1863. Clerk of Courts has naturalization records 1903-1939.

Knox
117 E. High St., Mount Vernon, OH 43050
(740)393-6788
http://www.co.knox.oh.us
Incorporated: Jan. 30, 1808
Parent county: Fairfield
Marriage Records: start in 1808, kept by Probate Court
Divorce: 1808, Clerk of Courts
Land: 1807, County Recorder
Probate: 1808, Probate Court
Court: 1808, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Lake
25 N. Park Pl., Painesville, OH 44077
(440) 350-2657
http://www.lakecountyohio.org
Incorporated: March 6, 1840
Parent counties: Geauga, Cuyahoga
Marriage Records: start in 1840, kept by Probate Court
Divorce: 1840, Clerk of Courts
Land: 1840, County Recorder
Probate: 1840, Probate Court
Court: 1840, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Lawrence
111 N. Fourth St., Ironton, OH 45638
(740) 533-4355
http://www.lawrenceclerk.com
Incorporated: Dec. 21, 1815
Parent counties: Gallia, Scioto
Marriage Records: start in 1817, kept by Briggs Library
Land: 1818, County Recorder
Probate: 1817, Probate Court
Court: 1817, Clerk of Courts
Notes: Probate Court has birth records 1868-1938 and death records 1868-1933.

Licking
Box 4370, Newark, OH 43058
(740) 670-5791
http://www.lcounty.com
Incorporated: Jan. 30, 1808
Parent county: Fairfield
Divorce records: start in 1876, kept by Clerk of Courts
Land: 1809, County Recorder
Probate: 1875, Probate Court
Court: 1872, Clerk of Courts
Notes: Probate Court has birth records 1875-1903 and marriage records 1808-1828. County Health Department has death records 1882-1908.

Logan
101 S. Main St., Bellefontaine, OH 43311
(937) 599-7275
http://www.co.logan.oh.us
Incorporated: Dec. 30, 1817
Parent county: Champaign
Marriage records: start in 1818, kept by Probate Court
Divorce: 1942, Domestic Court
Land: 1818, County Recorder
Probate: 1930, Probate Court
Court: 1942, Domestic Court
Notes: Probate Court has birth and death records 1867-1909.

Lorain
225 Court St., Elyria, OH 44036
(440) 329-5000
http://www.loraincounty.com
Incorporated: Dec. 26, 1822
Parent counties: Huron, Cuyahoga, Medina
Marriage Records: start in 1824, kept by Probate Court
Divorce: 1854, Clerk of Courts
Land: 1824, County Recorder
Probate: 1824, Probate Court
Court: 1854, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908 and indigent soldier burial records 1926-1927.

Lucas
700 Adams St., Toledo, OH 43604
(419) 213-4484
http://co.lucas.oh.us
Incorporated: Jun. 20, 1835
Parent counties: Wood, Sandusky, Henry
Marriage Records: 1835, Probate Court
Divorce: 1835, Clerk of Courts
Land: 1835, County Recorder
Probate: 1835, Probate Court
Court: 1835, Clerk of Courts
Notes: Probate Court has birth records 1865-1908 and death records 1867-1908.

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Madison
1 N. Main St., Box 557, London, OH 43140
(740) 852-9776
http://www.co.madison.oh.us
Incorporated: Feb. 16, 1810
Parent county: Franklin
Marriage Records: start in 1810, kept by Probate Court
Divorce: unknown, Clerk of Courts
Land: 1810, County Recorder
Probate: 1810, Probate Court
Court: unknown, Clerk of Courts
Naturalization: 1860, Probate Court
Military: 1865, County Recorder
Notes: Probate Court has birth and death records 1865-1908.

Mahoning
120 Market St., Youngstown, OH 44503
(330) 740-2104
http://www.mahoningcountyoh.gov
Incorporated: Feb. 16, 1846
Parent counties: Columbiana, Trumbull
Marriage Records: start in 1846, kept by Probate Court
Divorce: 1846, Clerk of Courts
Land: 1846, County Recorder
Probate: 1846, Probate Court
Court: 1846, Clerk of Courts
Notes: Probate has birth and death records 1847-1908.

Marion
100 N. Main St., Marion, OH 43302
(740) 223-4270
http://www.co.marion.oh.us
Incorporated: Feb. 12, 1820
Parent county: Delaware
Divorce records: unknown start, kept by Clerk of Courts
Land: 1821, County Recorder
Probate: 1820, Probate Court
Court: unknown, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908 and marriage certificates 1824-1920. Ohio Historical Society in Columbus has original marriage certificates.

Medina
93 Public Sq., Medina, OH 44256
(330) 725-9722
http://www.co.medina.oh.us
Incorporated: Feb. 18, 1812
Parent county: Portage
Marriage Records: start in 1818, kept by Probate Court
Divorce: 1818, Clerk of Courts
Land: 1800, County Recorder
Probate: 1818, Probate Court
Court: 1818, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Meigs
100 E. Second St., Pomeroy, OH 45769
(740) 992-5290
http://www.rootsweb.ancestry.com/~ohmeigs/meigs.html
Incorporated: Jan. 21, 1819
Parent counties: Gallia, Athens
Divorce records: start ca. 1800, kept by Clerk of Courts
Land: 1820, County Recorder
Probate: 1824, Probate Court
Court: 1800, Clerk of Courts
Notes: Probate Court has birth and death records 1865-1909 and marriage records 1819-1930.

Mercer
101 N. Main St., Box 28, Celina, OH 45822
(419) 586-6461
http://www.mercercountyohio.org
Incorporated: Feb. 12, 1820
Parent county: Darke
Marriage records: start in 1838, kept by Probate Court
Divorce: 1850, Clerk of Courts
Land: 1824, County Recorder
Probate: 1850, Probate Court
Court: 1850, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. Wright State University in Dayton has some naturalization records 1852-1930 and some Supreme Court cases 1825-1873.

Miami
201 W. Main St., Troy, OH 45373
(937) 440-6010
http://www.co.miami.oh.us
Incorporated: Jan. 16, 1807
Parent county: Montgomery
Marriage Records: start in 1807, kept by Probate Court
Divorce: 1807, Clerk of Courts
Land: 1809, County Recorder
Probate: 1807, Probate Court
Court: 1807, Clerk of Courts
Notes: Probate Court has birth and death records 1853-1908. City of Piqua Health Department has birth and death records for the city of Piqua.

Monroe
101 N. Main St., Woodsfield, OH 43793
(740) 472-0761
http://www.rootsweb.ancestry.com/~ohmonroe
Incorporated: Jan. 29, 1813
Parent counties: Belmont, Washington, Guernsey
Marriage Records: start in 1866, kept by Probate Court
Land: 1836, County Recorder
Probate: unknown, Probate Court
Notes: Probate Court has birth and death records 1867-1908.

Montgomery
41 N. Perry St., Dayton, OH 45402
(937) 496-7213
http://www.mcohio.org
Incorporated: March 24, 1803
Parent counties: Hamilton; Wayne, old
Marriage records: start in 1803, kept by Probate Court
Divorce: 1991, Clerk of Courts
Land: 1805, County Recorder
Probate: 1803, Probate Court
Court: 1803, Clerk of Courts
Notes: The Records Center in the Riebold Building in Dayton has all old records. Probate Court has birth and death records 1867-1908.

Morgan
19 E. Main St., McConnelsville, OH 43756
(740) 962-4752
http://www.rootsweb.ancestry.com/~ohmorgan
Incorporated: Dec. 29, 1817
Parent counties: Washington, Guernsey, Muskingum
Marriage Records: start in 1819, kept by Probate Court
Land: 1795, County Recorder
Probate: 1819, Probate Court
Notes: Probate Court has birth and death records 1867-1908.

Morrow
48 E. High St., Mount Gilead, OH 43338
(419) 947-2085
http://www.rootsweb.ancestry.com/~ohmorrow
Incorporated: Feb. 24, 1848
Parent counties: Knox, Marion, Delaware, Richland
Marriage Records: start in 1848, kept by Probate Court
Divorce: ca. 1850, Common Pleas Court
Land: 1848, County Recorder
Probate: 1848, Probate Court
Court: 1848, Common Pleas Court
Military: 1846, County Recorder
Notes: Probate Court has birth and death records 1867-1908 and some naturalization records. Request Common Pleas Court records prior to February 1970 ahead of time, as they are stored off-site.

Muskingum
401 Main St., Zanesville, OH 43701
(740) 455-7104
http://www.muskingumcounty.org
Incorporated: Jan. 7, 1804
Parent counties: Washington, Fairfield
Marriage Records: start in 1804, kept by Probate Court
Divorce: 1846, Clerk of Courts
Land: 1800, County Recorder
Probate: 1804, Probate Court
Court: 1804, Clerk of Courts
Military: 1864, County Recorder
Notes: Probate Court has birth and death records 1867-1908. Probate Court has naturalization records 1860-1940.

Noble
350 Courthouse Sq., Caldwell, OH 43724
(740) 732-4045
http://www.rootsweb.ancestry.com/~ohnoble
Incorporated: March 11, 1851
Parent counties: Monroe, Washington, Morgan, Guernsey
Marriage Records: start in 1851, kept by Probate Court
Divorce: 1851, Clerk of Courts
Land: 1851, County Recorder
Probate: 1851, Probate Court
Court: 1851, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Ottawa
315 Madison St. Room 304, Port Clinton, OH 43452
(419) 734-6755
http://www.co.ottawa.oh.us
Incorporated: March 6, 1840
Parent counties: Erie, Sandusky, Lucas
Marriage records: start in 1840, kept by Probate Court
Divorce: 1840, Clerk of Courts
Land: 1820, County Recorder
Probate: 1840, Probate Court
Court: 1840, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. Ohio Historical Society has death records 1908-1944. Clerk of Courts has naturalization records 1905-1929.

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Paulding
115 N. Williams St., Paulding, OH 45879
(419) 399-8210
http://www.rootsweb.ancestry.com/~ohpauldi
Incorporated: Feb. 12, 1820
Parent county: Darke
Marriage records: start in 1839, kept by Probate Court
Divorce: 1820, Clerk of Courts
Land: 1835, County Recorder
Probate: 1842, Probate Court
Court: 1839, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. County Recorder has some Civil War military discharge records.

Perry
105 N. Main St., New Lexington, OH 43764
(740) 342-1022
http://www.ohgen.net/ohperry
Incorporated: Dec. 26, 1817
Parent counties: Washington, Fairfield, Muskingum
Marriage Records: start in 1818, kept by Probate Court
Divorce: ca. 1800, Clerk of Courts
Land: 1818, County Recorder
Probate: 1817, Probate Court
Court: 1800, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Pickaway
207 S. Court St., Box 270, Circleville, OH 43113
(740) 474-5231
http://www.rootsweb.ancestry.com/~ohpickaw
Incorporated: Jan. 12, 1810
Parent counties: Ross, Fairfield, Franklin
Marriage Records: start in 1810, kept by Probate Court
Land: 1810, County Recorder
Probate: 1810, Probate Court
Notes: Probate Court has birth and death records 1867-1908. Civil Clerk of Courts has court and divorce records from late 1800s.

Pike
100 E. Second St., Waverly, OH 45690
(740) 947-2715
http://ohgenealogy.com/pikeco
Incorporated: Jan. 4, 1815
Parent counties: Ross, Scioto, Adams
Birth records: start in 1908, kept by Department of Health
Marriage: 1815, Probate Court
Divorce: 1815, Clerk of Courts
Death: 1919, Department of Health
Land: 1799, County Recorder
Probate: 1815, Probate Court
Court: 1815, Clerk of Courts
Notes: Probate has birth and death records 1867-1909. Ohio Department of Health/Vital Statistics Department has birth and death records 1909-ca. 1932.

Portage
203 W. Main St., Box 1035, Ravenna, OH 44266
(330) 297-3644
http://www.portageworkforce.org/portagecountydirectory
Incorporated: Feb. 10, 1807
Parent county: Trumbull
Marriage Records: start in 1808, kept by Probate Court
Divorce: 1885, Clerk of Courts
Land: 1795, County Recorder
Probate: 1803, Probate Court
Court: 1809, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Preble
100 Main St., Eaton, OH 45320
(937) 456-8160
http://www.preblecountyohio.net
Incorporated: Feb. 15, 1808
Parent counties: Montgomery, Butler
Marriage Records: start in 1808, kept by Probate Court
Divorce: ca. 1853, Clerk of Courts
Land: 1805, County Recorder
Probate: 1808, Probate Court
Court: 1808, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Putnam
245 E. Main St., Ottawa, OH 45875
(419) 523-3110
http://www.putnamcountyohio.com
Incorporated: Feb. 12, 1820
Parent county: Shelby
Marriage Records: start in 1867, kept by Probate Court
Divorce: 1834, Clerk of Courts
Land: 1830, County Recorder
Probate: 1804, Probate Court
Court: 1809, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1920.

Richland
50 Park Ave. E., Mansfield, OH 44902
(419) 774-5543
http://www.richlandcountyoh.us
Incorporated: Jan. 30, 1808
Parent county: Fairfield
Marriage Records: start in 1813, kept by Probate Court
Divorce: 1920, Clerk of Courts
Land: 1814, County Recorder
Probate: 1813, Probate Court
Court: 1819, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Ross
2 N. Paint St., Chillicothe, OH 45601
(740) 702-3010
http://www.co.ross.oh.us
Incorporated: Aug. 20, 1798
Parent counties: Adams, Washington
Marriage Records: start in 1798, kept by Probate Court
Death: 1909, County Board of Health
Land: 1796, County Recorder
Probate: 1798, Probate Court
Court: 1803, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Sandusky
100 N. Park Ave., Fremont, OH 43420
(419) 334-6161
http://www.sandusky-county.org
Incorporated: Feb. 12, 1820
Parent county: Huron
Marriage Records: start in 1820, kept by Probate Court
Divorce: 1868, Clerk of Courts
Death: 1908, County Board of Health
Land: 1822, County Recorder
Probate: 1820, Probate Court
Court: 1820, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Scioto
602 Seventh St., Portsmouth, OH 45662
(740) 355-8226
http://www.sciotocountyohio.com
Incorporated: March 24, 1803
Parent county: Adams
Marriage records: start in 1804, kept by Probate Court
Divorce: 1835, Clerk of Courts
Land: 1803, County Recorder
Probate: 1804, Probate Court
Court: 1809, Clerk of Courts
Notes: Probate Court has birth and death records 1856-1908. Portsmouth Board of Health has birth and death records for the city from 1909. County Board of Health has birth and death records for the rest of the county from 1909.

Seneca
117 E. Market St., Tiffin, OH 44883
(419) 447-0671
http://www.senecaco.org
Incorporated: Feb. 12, 1820
Parent county: Huron
Marriage Records: start in 1841, kept by Probate Court
Divorce: ca. 1800, Clerk of Courts
Land: 1821, County Recorder
Probate: 1836, Probate Court
Court: 1824, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Shelby
Box 809, Sidney, OH 45365
(937) 498-7221
http://www.co.shelby.oh.us
Incorporated: Jan. 7, 1819
Parent county: Miami
Marriage Records: start in 1824, kept by Probate Court
Land: 1819, County Recorder
Probate: 1825, Probate Court
Court: 1819, Clerk of Courts

Stark
115 Central Plaza S., Canton, OH 44702
(330) 451-7801
http://www.co.stark.oh.us
Incorporated: Feb. 13, 1808
Parent county: Columbiana
Marriage Records: start in 1809, kept by Probate Court
Land: 1809, County Recorder
Probate: 1810, Probate Court
Court: 1809, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Summit
205 S. High St., Akron, OH 44308
(330) 643-2211
http://www.co.summit.oh.us
Incorporated: March 3, 1840
Parent counties: Portage, Medina, Stark
Marriage Records: start in 1840, kept by Probate Court
Divorce: 1902, Domestic Court
Land: 1840, County Recorder
Probate: 1839, Probate Court
Notes: Probate Court has birth and death records 1869-1908. Clerk of Court has Court records from late 1800s.

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Trumbull
161 High St., Warren, OH 44481
(330) 675-2557
http://www.co.trumbull.oh.us
Incorporated: July 10, 1800
Parent counties: Jefferson; Wayne, old
Marriage: start in 1803, kept by Probate Court
Divorce: 1800, Clerk of Courts
Death: 1908, Warren Health Department
Land: 1795, County Recorder
Probate: 1803, Probate Court
Court: 1807, Clerk of Courts
Naturalization: 1800, Clerk of Courts
Notes: Trumbull Records Center has birth and death records 1867-1908.

Tuscarawas
125 E. High Ave., New Philadelphia, OH 44663
(330) 365-3243
http://www.co.tuscarawas.oh.us
Incorporated: Feb. 13, 1808
Parent county: Muskingum
Marriage Records: unknown start, kept by Probate Court
Divorce: 1808, Clerk of Courts
Land: unknown, County Recorder
Probate: unknown, Probate Court
Court: 1808, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908. Clerk of Courts has naturalization records 1908-1980. Probate Court has earlier naturalization records.

Union
215 W. Fifth St., Marysville, OH 43040
(937) 645-3006
http://www.co.union.oh.us
Incorporated: Jan. 10, 1820
Parent counties: Franklin, Madison, Logan, Delaware
Marriage Records: start in 1820, kept by Probate Court
Divorce: 1821, Clerk of Courts
Land: 1811, County Recorder
Probate: 1820, Probate Court
Court: 1820, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908

Van Wert
121 E. Main St. 3rd Floor, Van Wert, OH 45891
(419) 238-1022
http://www.rootsweb.ancestry.com/~ohvanwer
Incorporated: Feb. 12, 1820
Parent county: Darke
Marriage Records: start in 1840, kept by Probate Court
Divorce: unknown, Clerk of Courts
Land: 1824, County Recorder
Probate: 1840, Probate Court
Court: 1837, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Vinton
100 E. Main St., McArthur, OH 45651
(740) 596-3001
http://www.vintoncounty.com
Incorporated: March 23, 1850
Parent counties: Gallia, Athens, Ross, Jackson, Hocking
Notes: Probate Court has birth and death records 1867-1908.
Marriage Records: start in 1850, kept by Probate Court
Divorce: 1850, Clerk of Courts
Land: 1850, County Recorder
Probate: 1852, Probate Court
Court: 1850, Clerk of Courts

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Warren
500 Justice Dr., Box 238, Lebanon, OH 45036
(513) 695-1120
http://www.co.warren.oh.us
Incorporated: March 24, 1803
Parent county: Hamilton
Marriage Records: start in 1803, kept by Probate Court
Divorce: 1803, Clerk of Courts
Land: 1795, County Recorder
Probate: 1803, Probate Court
Court: 1803, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.

Washington
205 Putnam St., Marietta, OH 45750
(740) 373-6623
http://www.washingtongov.org
Incorporated: July 27, 1788
Parent county: Original county
Marriage Records: start in 1789, kept by Probate Court
Divorce: 1787, Clerk of Courts
Land: 1788, County Recorder
Probate: 1789, Probate Court
Court: 1787, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908

Wayne
107 W. Liberty St., Wooster, OH 44691
(330) 287-5590
http://www.wayneohio.org
Incorporated: Feb. 13, 1808
Parent county: Columbiana
Notes: Probate Court has birth and death records 1867-1908.
Marriage Records: start in 1813, kept by Probate Court
Divorce: 1812, Clerk/Common Pleas Ct.
Land: 1813, County Recorder
Probate: 1817, Probate Court
Court: 1812, Clerk/Common Pleas Ct.

Wayne, old
Incorporated: Aug. 15, 1786
Parent county: Original county
Notes: This county disappeared from Ohio in 1803 when Ohio became a state. It ultimately became Wayne County, Mich.

Williams
1 Courthouse Sq., Bryan, OH 43506
(419) 636-1551
http://www.co.williams.oh.us
Incorporated: Feb. 12, 1820
Parent county: Darke
Notes: Probate Court has birth and death records 1867-1908; Civil Court, domestic court and divorce records 1824-1980; criminal court records 1824-1999; Marriage and Probate records 1824-1996; and naturalization records 1835-1877.

Wood
1 Courthouse Sq., Bowling Green, OH 43402
(419) 354-9280
http://www.co.wood.oh.us
Incorporated: Feb. 12, 1820
Parent county: Logan
Notes: Probate Court has birth and death records 1867-1908.
Marriage Records: start in 1820, kept by Probate Court
Divorce: 1851, Clerk of Courts
Land: 1821, County Recorder
Probate: 1820, Probate Court
Court: 1823, Clerk of Courts

Wyandot
109 S. Sandusky Ave., Upper Sandusky, OH 43351
(419) 294-1432
http://www.co.wyandot.oh.us
Incorporated: Feb. 3, 1845
Parent counties: Marion, Crawford, Hardin, Hancock
Marriage Records: start in 1845, kept by Probate Court
Divorce: 1848, Clerk of Courts
Land: 1845, County Recorder
Probate: 1845, Probate Court
Court: 1848, Clerk of Courts
Notes: Probate Court has birth and death records 1867-1908.
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