Alistair is a distinctive boys' name in United States, ranking #2615 in 2005 with 42 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #897. Since 1996, the popularity has increased by 82.6%. In 2005, approximately 1 in every 47,551 boys born was named Alistair. STABLE Recent data shows the name is currently stable.