Bancroft
A place-based surname meaning “the croft on a bank” or “enclosure on a slope.”
The #6,315 most common surname in the United States (2010 Census) — about 1 in every 57,133 Americans shares it.
Etymology
Bancroft is an English place-name surname built from two common old words: bank, meaning a slope or raised ground, and croft, meaning a small enclosed field or pasture by a dwelling. In plain terms, it referred to a croft on a bank or hillside. Some older writers glossed it slightly differently, but the sense is the same: a farm enclosure on higher ground.
History
The name appears as a local surname in English records, especially in the Midlands and the north-west of England. Bardsley notes it as an east Cheshire name with many representatives in south-east Lancashire, and the surname is still most familiar in England and the United States. It is unrelated to the modern word bank in the financial sense.
Origin
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Fun fact
The same name structure survives in other English surnames such as Barcroft and Calcraft, which also combine a landscape term with croft.
From the historical record
“chu or cu, a dog. Barikhoo (Eng.), the high bank. BANCROFT. Local From the Cor. Br. Ian, a mount, hill, or high ground; and croft, a small field near a dwelling — a green pasture. BANGS. This name may be a corruption of Banks, or from the French bain, a bath, a hot-house. BANNATYNE. Local. The name of a place in…”
— An Etymological Dictionary of Family and Christian Names