Family History and Genealogy Resources by Surname
Tappan Surname Origin
(Origin Welsh) Locality. The top of the hanging rock, from tap, a hanging rock, and pen, top or head.
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.
Tappan Surname Meaning and Family Facts
There is more to Tappan family history than the origin of your surname:
A Tappan Family History Thought:
Whenever there's a will, you'll see an heir loom.