Alastair is a distinctive boys' name in England & Wales, ranking #589 in 2007 with 50 recorded births. The name reached its all-time peak in 1996 with 166 births ranking #195. Since 1996, the popularity has decreased by 69.9%. In 2007, approximately 1 in every 6,627 boys born was named Alastair. RISING Recent data shows the name is currently rising.