Cyril is a distinctive boys' name in United States, ranking #2823 in 2007 with 42 recorded births. The name reached its all-time peak in 2018 with 61 births ranking #2240. Since 1996, the popularity has increased by 75.0%. In 2007, approximately 1 in every 49,410 boys born was named Cyril. STABLE Recent data shows the name is currently stable.