Cyril is a distinctive boys' name in United States, ranking #2547 in 2006 with 47 recorded births. The name reached its all-time peak in 2018 with 61 births ranking #2240. Since 1996, the popularity has increased by 95.8%. In 2006, approximately 1 in every 43,726 boys born was named Cyril. STABLE Recent data shows the name is currently stable.