Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LIDDELL
As described in historical dictionaries
Patronymica Britannica (1860)
LIDDEL. LIDDELL. The family, in whicli there have been two peerages, were found among the merchants of Newcastle-upon-Tyne, some two centuries and a half since. The name seems to have been derived from the Liddel, a river of Pioxburgh shire.
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic