Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
DORAN
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
The son of Dorr. Doran, Gaelic, an otter; Doran, grief, depression of spirits. Dorran, Gaelic, vexation, anger.
Origin: Celtic
Region of origin: British Isles
Country of origin: Ireland
Religion of origin: Christian
Language of origin: Gaelic