Sky is a distinctive boys' name in United States, ranking #1549 in 2010 with 104 recorded births. This places Sky in the top 11% 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. Since 1996, the popularity has increased by 20.9%. In 2010, approximately 1 in every 18,446 boys born was named Sky. STABLE Recent data shows the name is currently stable.