Example: A marriage certificate would be a secondary source for a birth date because it is created long after the birth. It would, however, be a primary source for the date of marriage. Many sources in genealogy can serve as both primary and secondary sources.

Pronunciation: [sek-uhn-der-ee  sorss] • (noun)  

Related Resources:

Citing Your Sources
Create worthwhile genealogies with these tips on documenting your research and formats for citations, including citations for electronic genealogy sources and maps.

Genealogy Research & Records
How-tos and tips for conducting genealogy research online and in cemeteries, land records, social security records, military records, vital records, wills & probate, and more.