Alistair is a distinctive boys' name in United States, ranking #2796 in 1999 with 30 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #897. Since 1996, the popularity has increased by 30.4%. In 1999, approximately 1 in every 64,003 boys born was named Alistair. STABLE Recent data shows the name is currently stable.