1. a person who studies or traces family histories and lineages

Examples

• The genealogist helped her trace her ancestors back to Ireland.
• Professional genealogists use various records to build family trees.
• He became a genealogist after discovering old family documents in the attic.
• The genealogist found that the two families were distantly related.
• Many genealogists now use DNA testing to verify their research.
• She hired a genealogist to research her husband’s family history.