Family History and Genealogy Resources by Surname
McKensie Surname Origin
(Origin Gaelic) The son of the chief, head, or first. Same as McKenneth; the son of Kenneth, signifying, chief, head, or first.
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.
McKensie Surname Meaning and Family Facts
There is more to McKensie family history than the origin of your surname:
A McKensie Family History Thought:
'If you would not be forgotten,
As soon as you are dead and rotten,
Either write things worthy of reading,
Or do things worthy of writing.' --Benjamin Franklin, May 1738