Jessamyn is a distinctive girls' name in United States, ranking #10598 in 2002 with 9 recorded births. The name reached its all-time peak in 1997 with 21 births ranking #4910. Since 1996, the popularity has decreased by 43.8%. In 2002, approximately 1 in every 199,647 girls born was named Jessamyn. RISING Recent data shows the name is currently rising.