Mcswain Family History
Mcswain Surname 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
