Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
BLACKADAR
We don't have any stats on how common this name is. This is probably because it's very rare in the UK.
Region of origin
Unknown
Country of origin
Unknown
Language of origin
Unknown
Religion of origin
Unknown
Classification
Unknown
Related and similar surnames
The Blackadar surname in historical dictionaries
Patronymica Britannica (1860)
BLACKADAR. See Blackadder. The lands of B., where the family anciently dwelt, are in Berwickshire.