Alastair is a ♂ boy name.
Alastair is an Anglizised form of the name Alasdair, a Scottish-Gaelic variant of the name Alexander, which is of Greek origin.
Alastair means “defending men”, “defender of men”, “defender of the people” or “protector of men” (from ancient Greek “aléxein/ἀλέξειν” = to defend/protect + “anēr/ἀνήρ” = man).
Based on the frequency of positive ratings, we can analyze how popular names are in different countries. The name Alastair is currently ranked #4044 on the name leaderboard.
Curious about more trends? Find out which names are most popular in the USA, Canada, Australia, and worldwide.
2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
---|---|---|---|---|---|---|
🇦🇺 Australia | - | - | - | ✓ | - | - |
Find more beautiful first names!
Download our free baby name app and swipe a wonderful name together with your partner!