Alastair is a distinctive boys' name in England & Wales, ranking #1366 in 2022 with 19 recorded births. This places Alastair in the top 22% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 166 births ranking #195. Since 1996, the popularity has decreased by 88.6%. In 2022, approximately 1 in every 14,968 boys born was named Alastair. RISING Recent data shows the name is currently rising.