Nnenna is a distinctive girls' name in United States, ranking #8835 in 1997 with 10 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6641. Since 1996, the popularity has decreased by 28.6%. In 1997, approximately 1 in every 174,066 girls born was named Nnenna. FALLING Recent data shows the name is currently falling.