Janessa is a distinctive girls' name in United States, ranking #554 in 2010 with 527 recorded births. The name reached its all-time peak in 2009 with 556 births ranking #545. Since 1996, the popularity has increased by 71.7%. In 2010, approximately 1 in every 3,373 girls born was named Janessa. FALLING Recent data shows the name is currently falling.