Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
LUDLOW
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Local) From the ancient town of Ludlow, in North Wales. Llud, in Welsh, signifies whatever connects or keeps together, the same as caw. Llud, a prince of the Britons, a commander; Welsh, Llywydd, and lowe.
Patronymica Britannica (1860)
LUDLOW. A town in Shropshire.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
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