Cyril is a distinctive boys' name in United States, ranking #3143 in 2025 with 38 recorded births. The name reached its all-time peak in 2018 with 61 births ranking #2240. Since 1996, the popularity has increased by 58.3%. In 2025, approximately 1 in every 44,949 boys born was named Cyril. STABLE Recent data shows the name is currently stable.