Sky is a moderately popular girls' name in England & Wales, ranking #389 in 1999 with 83 recorded births. The name reached its all-time peak in 2007 with 275 births ranking #197. Since 1996, the popularity has increased by 59.6%. In 1999, approximately 1 in every 3,394 girls born was named Sky. STABLE Recent data shows the name is currently stable.