Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
AINSWORTH
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: British and Welsh. Local) From ains, a spring, a river, and gwerth, a place, possession, or court. In the British and Gaelic, Aun, Ain, Au, Hain, Aon, and Avon, signify a river; the place or possession on the river.
Patronymica Britannica (1860)
AINSWORTH. A chnpelry in tlie parish of Middleton, near Manchester.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English