Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
PARROTT
As described in historical dictionaries
Patronymica Britannica (1860)
PARROTT. May have been originally applied to a talkative person. So the classical Psittacus, from VirraKi. There is however equal probability of its liaving been derived from the river Parret, or from Pierrot, a French diminutive of Pierre, Peter. The surname has been varied to Parratt, Parrett, and Parritt.
Surname type: Diminutive
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English