Janelle is a moderately popular girls' name in United States, ranking #394 in 2010 with 813 recorded births. The name reached its all-time peak in 2008 with 884 births ranking #373. Since 1996, the popularity has increased by 18.3%. In 2010, approximately 1 in every 2,186 girls born was named Janelle. FALLING Recent data shows the name is currently falling.