William is an extremely popular boys' name in United States, ranking #10 in 2023 with 10,653 recorded births. The name reached its all-time peak in 1998 with 20,835 births ranking #14. Since 1996, the popularity has decreased by 48.1%. In 2023, approximately 1 in every 160 boys born was named William. STABLE Recent data shows the name is currently stable.