Joselin is a distinctive girls' name in United States, ranking #1225 in 2010 with 197 recorded births. The name reached its all-time peak in 2007 with 387 births ranking #755. Since 1996, the popularity has increased by 129.1%. In 2010, approximately 1 in every 9,022 girls born was named Joselin. FALLING Recent data shows the name is currently falling.