Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
PRATT
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
From the Latin Pratum, a meadow. Prat, in the Dutch, signifies proud, arrogant, cunning.
Patronymica Britannica (1860)
PRATT. 1. A-S.prae, cunning. Prat,
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: Nickname
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English