Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
MORAN
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
A multitude. Moran, a contraction of Morgan, which signifies of or belonging to the sea.
Origin: Celtic
Region of origin: British Isles
Country of origin: Ireland
Religion of origin: Christian
Language of origin: Gaelic