God will increase
A Spanish phonetic variant of Jocelyn, which originally derived from the Germanic name Gautselin. While the root refers to the Gauts tribe, in modern usage it is often associated with the Hebrew meaning of Joseph, implying divine addition or growth.
Less common today
Yoselin isn't in the latest US Top 1000. It last peaked at #476 in 2007.
US births per 5-year period, 1990βpresent (SSA data).