Joselyn is a distinctive girls' name in United States, ranking #611 in 2001 with 412 recorded births. The name reached its all-time peak in 2007 with 1,577 births ranking #221. Since 1996, the popularity has increased by 29.2%. In 2001, approximately 1 in every 4,370 girls born was named Joselyn. FALLING Recent data shows the name is currently falling.