The name Jayce means Nickname and is of American origin. Jayce is a name that's been used by parents who are considering baby names for boys.
The name Jace was originally a nickname for the name Jason. It is also a combination of the letters J and C. An alternate spelling of the name Jace is Jayce. Famous people named Jace include singer Jace Everett and football players Jace Amaro and James Jace Sayler. Fictional characters named Jase include Jason Jase Dyer from EastEnders and Jace from the television show, Space Ghost.