Oona is a distinctive girls' name in United States, ranking #2476 in 2019 with 72 recorded births. The name reached its all-time peak in 2015 with 131 births ranking #1639. Since 1996, the popularity has increased by 300.0%. In 2019, approximately 1 in every 23,300 girls born was named Oona. FALLING Recent data shows the name is currently falling.