Family History and Genealogy Resources by Surname
Morgan Surname Origin
From Mor, the sea, and gan, born; the same as Pelagius--born on the sea, from the Greek, the sea. Mor, the sea, and gan, by or near--near the sea, a locality.
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.
Morgan Surname Meaning and Family Facts
There is more to Morgan family history than the origin of your surname:
A Morgan Family History Thought:
'The past isn't dead. It isn't even past.' --William Faulkner