Alistair is a distinctive boys' name in United States, ranking #3848 in 2001 with 21 recorded births. This places Alistair in the top 31% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 265 births ranking #897. In 2001, approximately 1 in every 92,516 boys born was named Alistair. STABLE Recent data shows the name is currently stable.