Alastor
Alastor was given to 55 boys in 2025, #2,451 among boys’ names; 394 Americans have been recorded with it since 2011 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Alastor by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
What does Alastor mean?
Wiktionary, English section
Alastor is “a male given name from Scottish Gaelic.”
From Scottish Gaelic Alasdair, Alastair, from Old Irish Alaxander.
Meaning: Wiktionary, English section, as of Sep 25, 2026 (CC BY‑SA 4.0).
How popular is Alastor?
#2,451 among boys’ names, 2025
Alastor rose from #7,504 in 2015 to #2,451 in 2025 among boys’ names; its share of boys born rose from 5.2 to 32.2 per million.
83 babies in 2024, the peak
Alastor peaked in 2024, when 83 boys were given it, #1,902 among boys’ names. The 55 births of 2025 are 66% of that peak.
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2025 | 55 | #2,451 | 32.2 |
| 2024 | 83 | #1,902 | 48.2 |
| 2023 | 34 | #3,416 | 19.9 |
| 2022 | 42 | #2,963 | 24.1 |
| 2021 | 32 | #3,497 | 18.3 |
| 2020 | 24 | #4,142 | 13.9 |
| 2019 | 37 | #3,140 | 20.6 |
| 2018 | 23 | #4,355 | 12.7 |
| 2017 | 18 | #5,111 | 9.7 |
| 2016 | 16 | #5,556 | 8.4 |
Every recorded year (14)
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2015 | 10 | #7,504 | 5.2 |
| 2014 | 7 | #9,671 | 3.6 |
| 2013 | 7 | #9,686 | 3.7 |
| 2011 | 6 | #10,847 | 3.2 |
Ranks and shares: boys’ names in each year’s SSA file; share of all boys SSA recorded that year.
Is Alastor a boy’s or a girl’s name?
Alastor has been recorded only for boys: SSA lists no girls with the name in 14 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Alastor: the SSA national file counts each sex separately.
How many people are named Alastor, and how old are they?
An estimated 391 Americans named Alastor and born in the U.S. are alive in 2026 (99% of everyone recorded); the median is 4 years old and half are between 2 and 7. An estimate from SSA’s births and life tables, not a count.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made.
Names spelled alike
Of these 6 names spelled alike, given to 3,797 babies since 1880, Alastor is the third most given (10% of them). In 2025 it was given to 55 of their 249 babies (22%), again the third most given.
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Alastor
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
More about Alastor and names like it
- Compare Alastor and AlisterBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2020sAlastor peaked in 2024.
- Texas’s most given namesThe state where SSA recorded the most babies named Alastor since 1910.
- Scottish Gaelic namesWiktionary’s origin for Alastor: every such name, by how often it is given.
- The top names of 2024The year the most babies were named Alastor.
- The names of Generation AlphaMost people named Alastor alive today were born 2013-2025.
- Names starting with AMost given first.