Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
SIBBALD
As described in historical dictionaries
Patronymica Britannica (1860)
SIBBALD. An ancient baptismal name. In the Domesday of Northamptonshh-e a Sil->aldus occurs as tenant in chief. As a surname it is found in Scotland in the XII. century. B.L.G.
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic