Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
PORCH
As described in historical dictionaries
Patronymica Britannica (1860)
PORCH. From residence in or near the entrance of some great building. At-Porch might become Porch er in some instances. One form in H.R. is Ad Portani Ecclesias, " at the church -porch."
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English