Jennessa is a distinctive girls' name in United States, ranking #5444 in 2011 with 25 recorded births. The name reached its all-time peak in 2006 with 35 births ranking #4203. Since 1996, the popularity has increased by 316.7%. In 2011, approximately 1 in every 70,352 girls born was named Jennessa. FALLING Recent data shows the name is currently falling.