Joscelyn is a distinctive girls' name in United States, ranking #2647 in 2000 with 56 recorded births. The name reached its all-time peak in 2007 with 117 births ranking #1820. Since 1996, the popularity has increased by 47.4%. In 2000, approximately 1 in every 32,428 girls born was named Joscelyn. FALLING Recent data shows the name is currently falling.