Family History and Genealogy Resources by Surname
Magoon Surname Origin(Origin Gaelic) A corruption of Macgowan, which signifies the son of the smith, from Mac, son, and gow, a smith; or it may be the same as McCoun, from Mac, son, and ceann, a head or chief--the son of the chief. See Smith
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.
Magoon Surname Meaning and Family Facts
There is more to Magoon family history than the origin of your surname:
A Magoon Family History Thought:
'The past isn't dead. It isn't even past.' --William Faulkner