Alasdair is a distinctive boys' name in England & Wales, ranking #987 in 2008 with 26 recorded births. The name reached its all-time peak in 1996 with 71 births ranking #335. Since 1996, the popularity has decreased by 63.4%. In 2008, approximately 1 in every 13,053 boys born was named Alasdair. STABLE Recent data shows the name is currently stable.