There are an estimated 1,306 people named Alastair alive worldwide today. That ranks Alastair at #8720 globally, with the highest concentrations in United States.
In the United States, Alastair is held by approximately 1,306 people, ranking #8720 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 254,135 U.S. residents).
Historically Alastair is used overwhelmingly as a male name (100.0% male).
Alastair appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.