Sky is a distinctive boys' name in United States, ranking #1637 in 1998 with 64 recorded births. This places Sky in the top 14% 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 25.6%. In 1998, approximately 1 in every 29,864 boys born was named Sky. STABLE Recent data shows the name is currently stable.