Onna is a distinctive girls' name in United States, ranking #13269 in 2002 with 7 recorded births. The name reached its all-time peak in 2015 with 33 births ranking #4376. Since 1996, the popularity has increased by 16.7%. In 2002, approximately 1 in every 256,689 girls born was named Onna. RISING Recent data shows the name is currently rising.