Joslynn is a distinctive girls' name in United States, ranking #2750 in 1997 with 45 recorded births. This places Joslynn in the top 17% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 209 births ranking #1171. In 1997, approximately 1 in every 38,681 girls born was named Joslynn. FALLING Recent data shows the name is currently falling.