Family History and Genealogy Resources by Surname
Main Surname Origin
(Locality). From a French province of that name. Magne, great, large, rich, powerful, the same as magnus in Latin.
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.
Main Surname Meaning and Family Facts
There is more to Main family history than the origin of your surname:
A Main Family History Thought:
'If man cares not for his roots, then how can he care for his branches?' --Doyle M Davis