Joselin is a distinctive girls' name in United States, ranking #1168 in 2004 with 193 recorded births. The name reached its all-time peak in 2007 with 387 births ranking #755. Since 1996, the popularity has increased by 124.4%. In 2004, approximately 1 in every 9,514 girls born was named Joselin. FALLING Recent data shows the name is currently falling.