Tracing the Danahy Family Name

The Danahy last name has Irish roots. Elsdon Smith's dictionary of American family names explains it as “grandson of Duineachaidh (humane)”.

Danahy coat of arms

Sharing the Danahy name is not the same as sharing a crest; arms were granted to individual families.

Surname origin

Smith also lists Danehy and Dannaby.

About 783 people in the United States were recorded as Danahy in 2010, placing it 29,986 on the national list. Names that sound alike, such as Dana and Donaghy, are easily confused in old records. Get the complete Danahy report, with a museum-style coat of arms.