Janneth is a distinctive girls' name in United States, ranking #7027 in 1997 with 13 recorded births. The name reached its all-time peak in 2002 with 24 births ranking #4974. Since 1996, the popularity has decreased by 18.8%. In 1997, approximately 1 in every 133,897 girls born was named Janneth. FALLING Recent data shows the name is currently falling.