Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
ADRIAN
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Latin. Local) From the city of Hadria. Gesner derives it from the Greek ??, great or wealthy.
Patronymica Britannica (1860)
ADRIAN. A personal name, the Lat. Hadrianus.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: From given name or forename
Region of origin: Europe