Janessa is a distinctive girls' name in United States, ranking #890 in 2017 with 303 recorded births. This places Janessa in the top 5% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2009 with 556 births ranking #545. In 2017, approximately 1 in every 5,696 girls born was named Janessa. FALLING Recent data shows the name is currently falling.