Family History and Genealogy Resources by Surname
McKinnon Surname Origin
Originally McFingon, the son of Fingon, who was the youngest son of Alpin, King of Scotland
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
McKinnon Surname Meaning and Family Facts
There is more to McKinnon family history than the origin of your surname:
A McKinnon Family History Thought:
'He who has no knaves, fools, or beggars in his family was begot by a flash of lightening.' --Old English Proverb