Ostara is a distinctive girls' name in United States, ranking #10883 in 2020 with 9 recorded births. This places Ostara in the bottom 38% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 14 births ranking #8043. In 2020, approximately 1 in every 179,501 girls born was named Ostara. STABLE Recent data shows the name is currently stable.