Jennalyn is a distinctive girls' name in United States, ranking #8065 in 2010 with 15 recorded births. The name reached its all-time peak in 2005 with 25 births ranking #5171. Since 1996, the popularity has increased by 50.0%. In 2010, approximately 1 in every 118,488 girls born was named Jennalyn. RISING Recent data shows the name is currently rising.