Meaning and history
Alastair is the anglicized form of Alasdair.
20062006: 36 births, rank #3,024
2007: 29 births, rank #3,591
2008: 37 births, rank #3,103
2009: 33 births, rank #3,332
2010: 25 births, rank #3,994
20112011: 27 births, rank #3,792
2012: 38 births, rank #3,002
2013: 28 births, rank #3,661
2014: 36 births, rank #3,090
2015: 47 births, rank #2,600
20162016: 50 births, rank #2,518
2017: 61 births, rank #2,186
2018: 46 births, rank #2,674
2019: 62 births, rank #2,228
2020: 39 births, rank #2,980
20212021: 61 births, rank #2,277
2022: 50 births, rank #2,648
2023: 60 births, rank #2,315
2024: 59 births, rank #2,370
20252025: 67 births, rank #2,145
In 2025, 67 babies were recorded with the name Alastair, ranking #2,145 among boys.