Mcswain Family History
Mcswain Name Meaning
Scottish: probably an Anglicized form of Gaelic Mac Suain a Gaelic patronymic based on Old Norse sveinn ‘boy servant’ which was also used as a personal name. See McQueen 2 and compare Whan . There has been some confusion with Mac Suibhne see McSween .
Source: Dictionary of American Family Names 2nd edition, 2022