Joselin is a distinctive girls' name in United States, ranking #1147 in 2008 with 224 recorded births. The name reached its all-time peak in 2007 with 387 births ranking #755. Since 1996, the popularity has increased by 160.5%. In 2008, approximately 1 in every 8,441 girls born was named Joselin. FALLING Recent data shows the name is currently falling.