Alistair is a distinctive boys' name in United States, ranking #1008 in 2018 with 205 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #897. Since 1996, the popularity has increased by 791.3%. In 2018, approximately 1 in every 8,856 boys born was named Alistair. STABLE Recent data shows the name is currently stable.