Alistair is a distinctive boys' name in United States, ranking #929 in 2017 with 225 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #897. Since 1996, the popularity has increased by 878.3%. In 2017, approximately 1 in every 8,224 boys born was named Alistair. STABLE Recent data shows the name is currently stable.