Janessa is a distinctive girls' name in United States, ranking #1171 in 2021 with 209 recorded births. The name reached its all-time peak in 2009 with 556 births ranking #545. Since 1996, the popularity has decreased by 31.9%. In 2021, approximately 1 in every 7,846 girls born was named Janessa. FALLING Recent data shows the name is currently falling.