Mcmanus Family History Ancestry
Source: Dictionary of American Family Names 2nd edition, 2022
Mcmanus Surname Meaning
Irish and Scottish: Anglicized form of Gaelic Mac Maghnuis or Mac Maghnusa a patronymic from Maghnus later Mánus a Gaelic form of the Scandinavian personal name Magnus made famous by St. Magnus of Orkney. As an Irish name this is found mainly in Roscommon and Fermanagh and is connected with the O'Connors or the Maguires; in Scotland it is connected with the Colquhouns.Source: Dictionary of American Family Names 2nd edition, 2022