Alistair is a distinctive boys' name in United States, ranking #919 in 2023 with 250 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #897. Since 1996, the popularity has increased by 987.0%. In 2023, approximately 1 in every 6,834 boys born was named Alistair. STABLE Recent data shows the name is currently stable.