Joslin is a distinctive girls' name in United States, ranking #7090 in 2021 with 16 recorded births. The name reached its all-time peak in 2010 with 67 births ranking #2677. Since 1996, the popularity has decreased by 23.8%. In 2021, approximately 1 in every 102,482 girls born was named Joslin. FALLING Recent data shows the name is currently falling.