Joselin is a distinctive girls' name in United States, ranking #1390 in 2001 with 137 recorded births. The name reached its all-time peak in 2007 with 387 births ranking #755. Since 1996, the popularity has increased by 59.3%. In 2001, approximately 1 in every 13,143 girls born was named Joselin. FALLING Recent data shows the name is currently falling.