The baby name Alastair appears in baby name data for the United States from 2006 to 2024. It was most popular in 2019 with 16 babies given the name.
Over the period shown, Alastair has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 2006 | 5 |
| 2015 | 10 |
| 2016 | 5 |
| 2019 | 16 |
| 2020 | 5 |
| 2021 | 10 |
| 2023 | 10 |
| 2024 | 5 |