Date
Name Dennehy
Type Surname (from given name)
Usage Irish
Other Forms FormsÓ Duineachdha, Denny, Denney, Dennie, Denie, Denye, Deanney, Deannie, Deeny, O'Danagher, O'Dennehy, Dennedy, Denedy, Denehy, Dennehey, Danahy, Deniehy, Denahy
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Meaning & History
Anglicized form of Irish Gaelic Ó Duineachdha meaning "descendant of Duineachaidh", a given name meaning "humane". A famous bearer was American actor Brian Dennehy (1938-2020).