Calpurnia \c(a)-lpur-nia, cal-pu-rnia\ as a girl's name is pronounced cahl-PURR-nyia. It is of Latin origin. Probably from a clan name of uncertain meaning. The name of Julius Caesar's last wife, who appears in Shakespeare's play "Julius Caesar". Literary: the name of the Finches' cook in the book "To Kill a Mockingbird".
For more information, see also the related name Callie.
A similar baby name is California.