Janelle is a moderately popular girls' name in United States, ranking #399 in 2007 with 817 recorded births. The name reached its all-time peak in 2008 with 884 births ranking #373. Since 1996, the popularity has increased by 18.9%. In 2007, approximately 1 in every 2,353 girls born was named Janelle. FALLING Recent data shows the name is currently falling.