Jennalyn is a distinctive girls' name in United States, ranking #9267 in 2013 with 12 recorded births. The name reached its all-time peak in 2005 with 25 births ranking #5171. Since 1996, the popularity has increased by 20.0%. In 2013, approximately 1 in every 146,201 girls born was named Jennalyn. RISING Recent data shows the name is currently rising.