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 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