Jessamyn is a distinctive girls' name in United States, ranking #17715 in 2014 with 5 recorded births. The name reached its all-time peak in 1997 with 21 births ranking #4910. Since 1996, the popularity has decreased by 68.8%. In 2014, approximately 1 in every 357,187 girls born was named Jessamyn. RISING Recent data shows the name is currently rising.