Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
AUSTIN
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Latin.) A contraction of Augustine, from Augustinus, imperial, royal, great, renowned.
Patronymica Britannica (1860)
AUSTEN. AUSTIN. Augustine, the well-known baptismal name, so abbreviated in 0. B'r. and Eug. The Lond. Direct, presents us with a Mr. Austing.
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
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English