Mcginnis Family History
Mcginnis Surname Meaning
Irish: Anglicized form of Gaelic Mag Aonghuis or Mag Aonghusa ‘son of Aonghus’ (see Angus). This is the surname of a chieftain family in western County Down.
Compare the Scottish form McInnis and the variant McNeese. Compare also McGuinness.
Source: Dictionary of American Family Names 2nd edition, 2022