Janessa is a distinctive girls' name in United States, ranking #1741 in 2025 with 117 recorded births. This places Janessa in the top 10% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 556 births ranking #545. Since 1996, the popularity has decreased by 61.9%. In 2025, approximately 1 in every 13,737 girls born was named Janessa. FALLING Recent data shows the name is currently falling.