Jessamyn is a distinctive girls' name in United States, ranking #7004 in 1999 with 14 recorded births. The name reached its all-time peak in 1997 with 21 births ranking #4910. Since 1996, the popularity has decreased by 12.5%. In 1999, approximately 1 in every 126,699 girls born was named Jessamyn. RISING Recent data shows the name is currently rising.