Alistair is a distinctive boys' name in United States, ranking #3160 in 2004 with 31 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #897. Since 1996, the popularity has increased by 34.8%. In 2004, approximately 1 in every 64,026 boys born was named Alistair. STABLE Recent data shows the name is currently stable.