Is Alastair a boy or girl name?

Alastair is listed as a boy name in our name lists. It is recorded in United States, Australia, Belgium and other countries. US Social Security records count 1,364 babies named Alastair, which is too few for a year-by-year chart here.

This page shows only what our lists record for Alastair. We do not publish name meanings or origins. Sources and method.