Oona is a distinctive girls' name in United States, ranking #2772 in 2014 with 63 recorded births. The name reached its all-time peak in 2015 with 131 births ranking #1639. Since 1996, the popularity has increased by 250.0%. In 2014, approximately 1 in every 28,348 girls born was named Oona. FALLING Recent data shows the name is currently falling.