Joselyn is a distinctive girls' name in United States, ranking #776 in 1998 with 277 recorded births. The name reached its all-time peak in 2007 with 1,577 births ranking #221. Since 1996, the popularity has decreased by 13.2%. In 1998, approximately 1 in every 6,379 girls born was named Joselyn. FALLING Recent data shows the name is currently falling.