Joselyn is a distinctive girls' name in United States, ranking #774 in 1999 with 285 recorded births. The name reached its all-time peak in 2007 with 1,577 births ranking #221. Since 1996, the popularity has decreased by 10.7%. In 1999, approximately 1 in every 6,224 girls born was named Joselyn. FALLING Recent data shows the name is currently falling.