As described in historical dictionaries

Patronymica Britannica (1860)

ROOPER. The name was originally Furneux. Richard Furneux, a lineal descendant of Robert de Fourneux, of temp. Henry I., assumed the name of Roper in 1428, on his marriage with the heiress of Roper of Turndiche, co. Derbj'. The name was corrupted to Rooper in the seventeenth century.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


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