Mac \mac\ as a boy's name is pronounced mak. It is of Gaelic origin, and the meaning of Mac is "son of". Scottish and Irish surname prefix used as a given name or nickname. Mack is an ancient Scottish given name. See also Mackenzie, Maxwell, and Mc-.

Mac has 4 variant forms: Mack, Mackey, Mackie and Macklin.

For more information, see also the related name Maximilian.

Baby names that sound like Mac are Mick, Maccoy, MacCoy, Magee, MacGee, McKay, Micah, Mycah, Mike, Miky, Miko, Micky, Micha, Makai and Miki.