Alaster
Alaster was given to 13 boys in 2025, #6,460 among boys’ names; 138 Americans have been recorded with it since 1998 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Alaster by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
What does Alaster mean?
Wiktionary, English section
Alaster is “a male given name from Scottish Gaelic, variant of Alistair.”
Meaning: Wiktionary, English section, as of Sep 25, 2026 (CC BY‑SA 4.0).
How popular is Alaster?
#6,460 among boys’ names, 2025
Alaster entered the boys’ rankings after 2015 and stood at #6,460 in 2025.
16 babies in 2024, the peak
Alaster peaked in 2024, when 16 boys were given it, #5,667 among boys’ names. The 13 births of 2025 are 81% of that peak.
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2025 | 13 | #6,460 | 7.6 |
| 2024 | 16 | #5,667 | 9.3 |
| 2023 | 8 | #8,948 | 4.7 |
| 2022 | 9 | #8,329 | 5.2 |
| 2021 | 10 | #7,607 | 5.7 |
| 2020 | 6 | #10,649 | 3.5 |
| 2019 | 8 | #8,915 | 4.5 |
| 2018 | 5 | #12,225 | 2.8 |
| 2017 | 6 | #10,824 | 3.2 |
| 2016 | 8 | #8,850 | 4.2 |
Every recorded year (18)
| Year | Births | Rank | Per million boys |
|---|---|---|---|
| 2013 | 8 | #8,809 | 4.2 |
| 2012 | 8 | #8,881 | 4.2 |
| 2010 | 6 | #10,813 | 3.1 |
| 2009 | 5 | #12,550 | 2.5 |
| 2008 | 5 | #12,608 | 2.5 |
| 2007 | 6 | #10,967 | 2.9 |
| 2006 | 6 | #10,710 | 2.9 |
| 1998 | 5 | #9,658 | 2.6 |
Ranks and shares: boys’ names in each year’s SSA file; share of all boys SSA recorded that year.
Is Alaster a boy’s or a girl’s name?
Alaster has been recorded only for boys: SSA lists no girls with the name in 18 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Alaster: the SSA national file counts each sex separately.
How many people are named Alaster, and how old are they?
An estimated 137 Americans named Alaster and born in the U.S. are alive in 2026 (99% of everyone recorded); the median is 7 years old and half are between 3 and 14. 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 8 names spelled alike, given to 5,706 babies since 1880, Alaster is the seventh most given (2.4% of them). In 2025 it was given to 13 of their 332 babies (3.9%), the sixth most given that year.
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 Alaster
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 Alaster and names like it
- Compare Alaster and AlisterBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2020sAlaster peaked in 2024.
- The top names of 2024The year the most babies were named Alaster.
- The names of Generation AlphaMost people named Alaster alive today were born 2013-2025.
- Names starting with AMost given first.