Janneth is a distinctive girls' name in United States, ranking #7985 in 2012 with 15 recorded births. This places Janneth in the top 41% 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 2012, approximately 1 in every 117,383 girls born was named Janneth. FALLING Recent data shows the name is currently falling.