Cyril is a distinctive boys' name in United States, ranking #1971 in 2000 with 52 recorded births. The name reached its all-time peak in 2018 with 61 births ranking #2240. Since 1996, the popularity has increased by 116.7%. In 2000, approximately 1 in every 37,768 boys born was named Cyril. STABLE Recent data shows the name is currently stable.