How to Evaluate Sources in Genealogy Research: Original or Derivative?

By Sunny Jane Morton

Last Updated: July 15, 2025

Learn the difference between original and derivative records and how important they are to understanding and evaluating sources for your research.

Return to home
THIS ARTICLE IS FOR SUBSCRIBERS ONLY

Unlock this article and everything on Family Tree Magazine

Records

Learn more about this author

How to Evaluate Sources in Genealogy Research: Original or Derivative?

By Sunny Jane Morton

Last Updated: July 15, 2025

relatedarticles

Using Voter Records in Genealogy: Finding Ancestors at the Polls

Six women sitting at a table hold and display "VOTE" signs, surrounded by more signs and papers, in a formal indoor setting.

Records, Other, US Genealogy

Voter and election records are often-overlooked tools that documented identity, residency and citizenship. Learn more about these records, how voting…

A Genealogist’s Guide to Homesteading Records and Research

A small wooden log cabin sits on a grassy field under a sky with scattered clouds, with trees and farmland in the background.

Records, Land

This article explains what homesteading entails and how genealogists can find and use homesteading records in their own research.

16 Records for Identifying Your Immigrant Ancestor’s Hometown

Immigration, Records

These sources will help you pinpoint an immigrant ancestor’s Old World town or village of origin.

The Genealogist’s Guide to Local Histories

History, Records

Local histories are among the best sources for biographical information about your ancestors. Here’s what these histories can contain, and…