Meaning and name origin
Joslin \j(o)-slin, jos-lin\ as a girl's name (also used as boy's name Joslin), is of Old German origin, and the meaning of Joslin is "a member of the German tribe, the Gauts". Joslin is a variant of Jocelyn (Old German): from an Old French masculine name brought to Britain by the Normans in the form Joscelin, which was from Gautzelin, a pet name for a member of a Germanic tribe, the Gauts, who may have been the same as the Goths.
Joslin has 1 variant form: Josline.
Joslin is not a popular first name for females but a very popular surname or last name for all people (#5029 out of 88799, Top 6%) (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Joslin and its variant forms. The only popular variation form ranked in the Top 1000/100 is Jocelyn (#114). (2014 statistics).
Joslin is also pronounced similarly to Jaslyn, Jeslyn, Joslyn▼, Joslyne, Joslynn, Jossline, Josslyn and Jozlyn. Other suggested similar baby names are Jaclin, Jasolin, Jocelin, Joclyn, Joelin, Jolin, Josalind, Josaline, Josalyn, Joscelin, Joselina, Joseline, Joselyn▼, Josilin, Josiline, Josilyn and Jossalin. These names tend to be more commonly used than Joslin.