Joslynn is a distinctive girls' name in United States, ranking #1912 in 2006 with 106 recorded births. The name reached its all-time peak in 2011 with 209 births ranking #1171. Since 1996, the popularity has increased by 140.9%. In 2006, approximately 1 in every 17,935 girls born was named Joslynn. FALLING Recent data shows the name is currently falling.