Oona is a distinctive girls' name in United States, ranking #3396 in 2011 with 48 recorded births. The name reached its all-time peak in 2015 with 131 births ranking #1639. Since 1996, the popularity has increased by 166.7%. In 2011, approximately 1 in every 36,642 girls born was named Oona. FALLING Recent data shows the name is currently falling.