Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
FAITH
As described in historical dictionaries
Patronymica Britannica (1860)
FAITH. From one who personated this Christian virtue in some medieval miracle play. The anniversary of St. Faith, virgin and martyr, occurs in the Pioman calendar on the 6th of October ; perhaps the original owner of this surname was born on that day. See Christmas, Noel, Pentecost, &c.
Surname type: From given name or forename
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English