Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
ALAN
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
Is thought by Julius Scaliger to signify a hound in the Sclavonian, and Chaucer uses Aland in the same sense.
Surname type: From given name or forename
Region of origin: Europe