According to a 2002 text, McComb is the most common derivative in Ireland of the Gaelic MacThom meaning "son of Thomas",[1] or "son of Tom".
[2] Another, potentially interrelated origin, places McComb as a sept of Clan Mackinnon.
[1] A third potential origin is as a derivative of Malcolm.
[3] Related surnames include McCombs, McComish, McCombe, McComas, McCombie and Macomber.
[1][4] Following are a list of notable individuals sharing this surname: