Joselyn is a distinctive girls' name in United States, ranking #545 in 2002 with 506 recorded births. The name reached its all-time peak in 2007 with 1,577 births ranking #221. Since 1996, the popularity has increased by 58.6%. In 2002, approximately 1 in every 3,551 girls born was named Joselyn. FALLING Recent data shows the name is currently falling.