Joscelyn is a distinctive girls' name in United States, ranking #4649 in 2015 with 30 recorded births. The name reached its all-time peak in 2007 with 117 births ranking #1820. Since 1996, the popularity has decreased by 21.1%. In 2015, approximately 1 in every 59,488 girls born was named Joscelyn. FALLING Recent data shows the name is currently falling.