Alistair is a distinctive boys' name in United States, ranking #968 in 2019 with 221 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #897. Since 1996, the popularity has increased by 860.9%. In 2019, approximately 1 in every 8,115 boys born was named Alistair. STABLE Recent data shows the name is currently stable.