Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
BRETT
As described in historical dictionaries
Patronymica Britannica (1860)
BRETT. Brito, a native of Brittany. The parish of Samford Bi-ett, co. Somerset, was the lordship of Hugh Brito, one of the assassins of Thomas a Becket. Domesday Book abounds with Brito as a surname. No less than seven persons bearing it Avere tenants in chief in many counties. They had probalily served in the Conqueror's army under his great ally, Alan, earl of Brittany. Morant's Essex. Kelham's Domesd. In Scotland, JBrets was a name given to the Welsh or ancient Britons in general : also to those of Strath- Clyde, to distinguish them from the Scots and Picts. Jamieson.
Surname type: Diminutive
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English