Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
TROUP
As described in historical dictionaries
Patronymica Britannica (1860)
TROUP. Of that Ilk, in the parish of Fortingal, co. Perth. This ancient family ended in an heiress, who married a younger son of Keith, Earl Marischal. Nisbet.
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic