Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
There are approximately 9,339 people named Ainsworth in the UK. That makes it the 1,134th most common surname overall. Out of every million people in the UK, approximately 148 are named Ainsworth.
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Related and similar surnamesAynsworth
The Ainsworth surname in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
Patronymica Britannica (1860)
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.