Mcmurdo Family History
Mcmurdo Surname Meaning
Scottish: Anglicized form of Gaelic Mac Muircheartaigh or Mac Muircheartaich 'son of Muircheartach' a personal name meaning 'sea-ruler'.
In Scotland the name was often lenited to give McCurdy. Compare Murdoch and Moriarty.
The name was also used to Anglicize Mac Murchaidh (see McMorrow).
Source: Dictionary of American Family Names 2nd edition, 2022
