Jennalyn is a distinctive girls' name in United States, ranking #6252 in 2002 with 18 recorded births. The name reached its all-time peak in 2005 with 25 births ranking #5171. Since 1996, the popularity has increased by 80.0%. In 2002, approximately 1 in every 99,823 girls born was named Jennalyn. RISING Recent data shows the name is currently rising.