Alistair is a distinctive boys' name in United States, ranking #1346 in 2012 with 126 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #897. Since 1996, the popularity has increased by 447.8%. In 2012, approximately 1 in every 15,053 boys born was named Alistair. STABLE Recent data shows the name is currently stable.