Family History and Genealogy Resources by Surname
Summer Surname Origin
So called, probably, from the season summer. The word is derived from the Saxon Sumer; Celtic or Gaelic, samh, the sun. Summer, one who casts up an account. The name may be a corruption of Sumner.
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.
Summer Surname Meaning and Family Facts
There is more to Summer family history than the origin of your surname:
A Summer Family History Thought:
'I don't know who my grandfather was; I am much more concerned to know what his grandson will be.' --Abraham Lincoln