Doogan \do(o)-gan\ as a boy's name is a variant of Dugan (Irish, Gaelic), and the meaning of Doogan is "dark, swarthy".
The baby name Doogan sounds like Dougan, Deegan, Dagan, Duggan and Douggan. Other similar baby names are Dargan, Doan, Dolan, Donnan, Doran, Dorran, Dorian, Dougal, Dowan, Hogan, Logan and Rogan.