Janelle is a moderately popular girls' name in United States, ranking #405 in 2009 with 781 recorded births. The name reached its all-time peak in 2008 with 884 births ranking #373. Since 1996, the popularity has increased by 13.7%. In 2009, approximately 1 in every 2,352 girls born was named Janelle. FALLING Recent data shows the name is currently falling.