Ona is a distinctive girls' name in United States, ranking #7145 in 2010 with 18 recorded births. The name reached its all-time peak in 2015 with 39 births ranking #3903. Since 1996, the popularity has increased by 100.0%. In 2010, approximately 1 in every 98,740 girls born was named Ona. FALLING Recent data shows the name is currently falling.