Janneth is a distinctive girls' name in United States, ranking #5921 in 2001 with 19 recorded births. The name reached its all-time peak in 2002 with 24 births ranking #4974. Since 1996, the popularity has increased by 18.8%. In 2001, approximately 1 in every 94,766 girls born was named Janneth. FALLING Recent data shows the name is currently falling.