Janelle is a moderately popular girls' name in United States, ranking #442 in 1999 with 609 recorded births. The name reached its all-time peak in 2008 with 884 births ranking #373. Since 1996, the popularity has decreased by 11.4%. In 1999, approximately 1 in every 2,913 girls born was named Janelle. FALLING Recent data shows the name is currently falling.