Baby Names Boy Names Meaning of the Name Dugan Updated November 11, 2025 by Jennifer M. Dugan Gender: Male Origin: Irish Meaning: Dark-Colored #Celebrity ♥ Add to my Namelist What is the meaning of the name Dugan? The name Dugan is primarily a male name of Irish origin that means Dark-Colored. People who like the name Dugan also like: Declan, Connor, Deacon, Egan, Gabriel, Liam, Duncan, Amelia, Bryna, Evelyn, Maeve, Charlotte, Ashling, Ardara Names like Dugan: Doutzen, Dajuan, Dagan, Dagon, Dacian, Dawson, Dyson, Dusan, Diogenia, Duszan, Dasani, De'Shaun, Dzon, Disney, Dejanae, Dashania, Dejan, Djimon, Dayshaun, Dyzma, Dagna, Deshawn, Dasan, Deacon, Daquan, Decima, Dekan, Dixon, Dagny, Dason Stats for the Name Dugan Dugan is currently not in the top 100 on the Baby Names Popularity Charts Dugan is currently not ranked in U.S. births