The name Cersei is a girl's name . Cersei and is often added to user-created lists like All Game of Thrones names - female.
From the experts:
Cersei Lannister is one of the most villainous -- and, in a certain light, glamorous -- characters in HBO's Game of Thrones, played by beautiful actress Lena Headey.Though we can't say for sure how author George R.R. Martin came up with the character's name, it is a near-homophone with Circe, a seductive witch in Greek mythology.