Onna is a distinctive girls' name in United States, ranking #8524 in 2012 with 14 recorded births. The name reached its all-time peak in 2015 with 33 births ranking #4376. Since 1996, the popularity has increased by 133.3%. In 2012, approximately 1 in every 125,767 girls born was named Onna. RISING Recent data shows the name is currently rising.