Alistair is a distinctive boys' name in United States, ranking #4971 in 1997 with 12 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #897. Since 1996, the popularity has decreased by 47.8%. In 1997, approximately 1 in every 157,091 boys born was named Alistair. STABLE Recent data shows the name is currently stable.