Ona is a distinctive girls' name in United States, ranking #3903 in 2015 with 39 recorded births. The name reached its all-time peak in 2015 with 39 births ranking #3903. Since 1996, the popularity has increased by 333.3%. In 2015, approximately 1 in every 45,760 girls born was named Ona. FALLING Recent data shows the name is currently falling.