Oz is a distinctive boys' name in United States, ranking #4637 in 2012 with 21 recorded births. This places Oz in the top 33% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 45 births ranking #2792. In 2012, approximately 1 in every 90,315 boys born was named Oz. FALLING Recent data shows the name is currently falling.