Meaning: Its source is Gautzelin, an Ancient Germanic name meaning "A member of the Germanic tribe, the Gauts."

Popularity: The name Joslyn ranked 811th in popularity for females of all ages in a sample of 2000-2003 Social Security Administration statistics and 2511th in popularity for females of all ages in a sample of the 1990 US Census.

Though this name appears on the 1990 U.S. Census lists, it is used by only a small percentage of the general population.