Sky is a moderately popular girls' name in England & Wales, ranking #323 in 2004 with 123 recorded births. The name reached its all-time peak in 2007 with 275 births ranking #197. Since 1996, the popularity has increased by 136.5%. In 2004, approximately 1 in every 2,324 girls born was named Sky. STABLE Recent data shows the name is currently stable.