Joslynn is a distinctive girls' name in United States, ranking #1442 in 2008 with 164 recorded births. The name reached its all-time peak in 2011 with 209 births ranking #1171. Since 1996, the popularity has increased by 272.7%. In 2008, approximately 1 in every 11,529 girls born was named Joslynn. FALLING Recent data shows the name is currently falling.