Janneth is a distinctive girls' name in United States, ranking #5907 in 1998 with 17 recorded births. This places Janneth in the top 36% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 24 births ranking #4974. In 1998, approximately 1 in every 103,935 girls born was named Janneth. FALLING Recent data shows the name is currently falling.