Mcswan Family History
Mcswan Surname Meaning
From Mac Suain, a Gaelic patronymic based on Old Scandinavian sveinn ‘boy servant’ which was also used as a personal name.
Compare the lenited form McWhan; see Whan.
There has been some confusion with Mac Suibhne; see McSween.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
