Janessa is a distinctive girls' name in United States, ranking #975 in 2018 with 271 recorded births. The name reached its all-time peak in 2009 with 556 births ranking #545. Since 1996, the popularity has decreased by 11.7%. In 2018, approximately 1 in every 6,275 girls born was named Janessa. FALLING Recent data shows the name is currently falling.