Dark or swarthy
Dugan is an Anglicized form of the Irish surname Ó Dubhagáin. It is derived from the Gaelic word 'dubh', which means black or dark, likely originally used as a nickname for someone with dark hair or a dark complexion.
Fewer than 5 boys were named Dugan in 2025.
US births per 5-year period, 1990–present (SSA data).
American actor and comedian
