Onna is a distinctive girls' name in United States, ranking #7610 in 1997 with 12 recorded births. This places Onna in the top 47% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 33 births ranking #4376. Since 1996, the popularity has increased by 100.0%. In 1997, approximately 1 in every 145,055 girls born was named Onna. RISING Recent data shows the name is currently rising.