Oona is a distinctive girls' name in United States, ranking #11753 in 1997 with 7 recorded births. The name reached its all-time peak in 2015 with 131 births ranking #1639. Since 1996, the popularity has decreased by 61.1%. In 1997, approximately 1 in every 248,666 girls born was named Oona. FALLING Recent data shows the name is currently falling.