PIAZZA. It aj>pears from the baptismal registers of the parish of St. Paul, Coven t Garden, during the reigns of Charles II., James II., William III., and even latei", that Piazza was a favourite name for parish children. These records abound with Peter Piazza, Paul Piazza, Mary Piazza, &c. They were probably foundlings, the name indicating the place of their exposure.

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