Family History and Genealogy Resources by Surname
Seaton Surname Origin(Locality). That is, sea-town, a parish in Perthshire, formerly called Errol. See Seton
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.
Seaton Surname Meaning and Family Facts
There is more to Seaton family history than the origin of your surname:
A Seaton Family History Thought:
Whenever there's a will, you'll see an heir loom.