Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
BLOIS
As described in historical dictionaries
Patronymica Britannica (1860)
BLOIS. From the city of Blois in France. The family were settled in Suffolk, temp. Rich. I. or John. Courthope's Debrett.
Origin: Norman
Region of origin: Europe
Country of origin: France
Religion of origin: Christian
Language of origin: French