Nnenna is a distinctive girls' name in United States, ranking #13589 in 2007 with 8 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6641. Since 1996, the popularity has decreased by 42.9%. In 2007, approximately 1 in every 240,306 girls born was named Nnenna. FALLING Recent data shows the name is currently falling.