Sky is a distinctive boys' name in United States, ranking #1800 in 2015 with 84 recorded births. This places Sky in the top 13% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 124 births ranking #1383. In 2015, approximately 1 in every 22,813 boys born was named Sky. STABLE Recent data shows the name is currently stable.