Family History and Genealogy Resources by Surname
Kellogg Surname Origin
From Chelioc, or Kulliag (Cornish British), a cock, coileach, in Gaelic, and ceiliog, in Welsh, the C having the sound of K.
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.
Kellogg Surname Meaning and Family Facts
There is more to Kellogg family history than the origin of your surname:
A Kellogg 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