Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
BY
We don't have any stats on how common this name is. This is probably because it's very rare in the UK.
Region of origin
Unknown
Country of origin
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Language of origin
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Classification
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Related and similar surnames
The By surname in historical dictionaries
Patronymica Britannica (1860)
KIR BY. (In charters, Cherchebeius, and. originally written Kirldjy). Parishes, &c., in cos. Essex, York, A\''arwick, and Norfolk, Places in cos. Lancaster, York, Nottingham, Lincoln, Leicester, and Westmoreland, still retain the form Kirkby, which is also a surname.