What does Pru mean?
Pru has 1 variant: Prue.
Pru is an uncommonly occurring first name for women. Pru is an equally unusual last name for both adults and children. (2000 U.S. Census)
Below is a graphed comparison of the popularity of the girl name Pru and affiliated names. The only popular related form of Pru (#unlisted) is Prudence. These girl names reached the peak of their popularity during 1880-1889 (usage of 0.405%) and are now significantly less widespread, with Prudence becoming less in vogue. (Top 1000 Birth Names Records, 2014)