1.) Calpurnia was the third and last wife of Julius Caesar. Born in 75 BC, she was the daughter of Lucius Calpurnius Piso Caesoninus, consul in 58 BC, and sister of Lucius Calpurnius Piso (Pontifex), consul in 15 BC. Calpurnia married Caesar in late 59 BC. and was married to him at the time of his assassination in 44 BC/BCE. Contemporary sources describe her as a humble, often shy woman. No children resulted from their union. Calpurnia in Wikipedia
2.) (Fictitious character) In Harper Lee's To Kill a Mockingbird
, Calpurnia is an African American woman who works for Attticus
Finch as cook, housekeeper, and child-minder.
3.) (Fictitious character) In The Devil in the Valley
by Castle Freeman, Jr., one of the subplots is about a 98-year-old woman, Calpurnia, living out her last days in a hospice. Her story merges with that of Langdon Taft, the protagonist.