Joselin is a distinctive girls' name in United States, ranking #1717 in 2012 with 121 recorded births. This places Joselin in the top 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 387 births ranking #755. Since 1996, the popularity has increased by 40.7%. In 2012, approximately 1 in every 14,552 girls born was named Joselin. FALLING Recent data shows the name is currently falling.