Family History and Genealogy Resources by Surname
Sommer Surname Origin
(Origin French) From sommer, to sum or cast up; one who directs or commands. Summere, Danish, to sum up.
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.
Sommer Surname Meaning and Family Facts
There is more to Sommer family history than the origin of your surname:
A Sommer Family History Thought:
Whenever there's a will, you'll see an heir loom.