Janneth is a distinctive girls' name in United States, ranking #9085 in 1999 with 10 recorded births. The name reached its all-time peak in 2002 with 24 births ranking #4974. Since 1996, the popularity has decreased by 37.5%. In 1999, approximately 1 in every 177,378 girls born was named Janneth. FALLING Recent data shows the name is currently falling.