Oona is a distinctive girls' name in United States, ranking #2357 in 2018 with 78 recorded births. The name reached its all-time peak in 2015 with 131 births ranking #1639. Since 1996, the popularity has increased by 333.3%. In 2018, approximately 1 in every 21,800 girls born was named Oona. FALLING Recent data shows the name is currently falling.