Jennessa is a distinctive girls' name in United States, ranking #6511 in 1998 with 15 recorded births. The name reached its all-time peak in 2006 with 35 births ranking #4203. Since 1996, the popularity has increased by 150.0%. In 1998, approximately 1 in every 117,793 girls born was named Jennessa. FALLING Recent data shows the name is currently falling.