Black-haired or dark
A modern spelling variant of the Irish surname and given name Deegan. It is derived from the Gaelic name Ó Duibhinn, where 'dubh' means black or dark, often referring to hair color or complexion.
Fewer than 5 boys were named Deagen in 2025.
US births per 5-year period, 1990–present (SSA data).
