Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LOTHIAN
As described in historical dictionaries
Patronymica Britannica (1860)
LOTHIAN. The district on the soutli side of the frith of Forth, which includes the counties of Haddington, Edinburgh, and Linlithgow.
Surname type: Location or geographical feature
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic