Oak is a distinctive girls' name in United States, ranking #16991 in 2024 with 5 recorded births. This places Oak in the bottom 4% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 8 births ranking #11902. In 2024, approximately 1 in every 322,638 girls born was named Oak. FALLING Recent data shows the name is currently falling.