Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
DUNMORE
As described in historical dictionaries
Patronymica Britannica (1860)
DUNMORE. DUNMURE. A local name, signifying in Gaelic "the fortified hill." Many old strongholds in Scotland are so called. The surname was probably taken from a village so designated in Stirlingshire.
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