Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
BOSTWICK
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Cor. Br. Local) The house near the haven or creek; from Bos, a house, and wick, a haven or creek. It may be from the Dutch Bosch, a wood, and wick, the town in the wood. Boswick, in the Cornish-British, is the dwelling near the harbor or village.
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