Member of the Gauts tribe
A French feminine diminutive of Jocelyn, which originated from the Germanic name Gautselin. It refers to the Gauts, a North Germanic tribe, and was introduced to England by the Normans.
Less common today
Josseline isn't in the latest US Top 1000. It last peaked at #3,578 in 2007.
US births per 5-year period, 1990βpresent (SSA data).