Sky is a distinctive boys' name in United States, ranking #1501 in 1999 with 76 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. Since 1996, the popularity has decreased by 11.6%. In 1999, approximately 1 in every 25,264 boys born was named Sky. STABLE Recent data shows the name is currently stable.