Janneth is a distinctive girls' name in United States, ranking #10264 in 2009 with 11 recorded births. The name reached its all-time peak in 2002 with 24 births ranking #4974. Since 1996, the popularity has decreased by 31.3%. In 2009, approximately 1 in every 166,988 girls born was named Janneth. FALLING Recent data shows the name is currently falling.