Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
COWPER
As described in historical dictionaries
Patronymica Britannica (1860)
COWPER. The old spelling of Cooper. The j)ronunciation of the poet's name, an imnccessarily vexed question, is settled by this identity. Both the earl and the poet sprang from a Sussex family, who in 1495 wrote themselves Cooper.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English