Gaut or Goth person
Jossalyn is a modern American elaboration of Jocelyn. It traces back to the Germanic name Gautelen, which referred to a member of the Gauts or Goths tribe. While the original name was masculine, it transitioned to a feminine name in the 20th century, with the -lyn suffix adding a contemporary flair.
Less common today
Jossalyn isn't in the latest US Top 1000. It last peaked at #4,270 in 2007.
US births per 5-year period, 1990βpresent (SSA data).