The name Serra is a girl's name meaning "ridge". Serra and is often added to lists like Creative Baby Names: Inspired by Artists and discussed in our forums with posts like "Which would you choose?".
From the experts:
This topographical name, more suited to a girl than a boy--though it would inevitably be confused with SARAH--has some distinguished bearers: famous Spanish missionary to Mexico Father Junipero Serra, and sculptor Richard Serra, known for his challenging large-scale metal works.