Janessa is a distinctive girls' name in United States, ranking #898 in 2016 with 312 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 2016, approximately 1 in every 5,678 girls born was named Janessa. FALLING Recent data shows the name is currently falling.