Janessa is a distinctive girls' name in United States, ranking #1095 in 2019 with 227 recorded births. The name reached its all-time peak in 2009 with 556 births ranking #545. Since 1996, the popularity has decreased by 26.1%. In 2019, approximately 1 in every 7,390 girls born was named Janessa. FALLING Recent data shows the name is currently falling.