Jessamyn is a distinctive girls' name in United States, ranking #4910 in 1997 with 21 recorded births. The name reached its all-time peak in 1997 with 21 births ranking #4910. Since 1996, the popularity has increased by 31.3%. In 1997, approximately 1 in every 82,889 girls born was named Jessamyn. RISING Recent data shows the name is currently rising.