Alasdair — #3734 US boys' name
497 babies named Alasdair in U.S. Social Security records since 1989, with the highest year being 2021. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
More common than 74% of names given to boys today.
45% of everyone ever named Alasdair was born in this single decade.
37 babies were named Alasdair in 2021 — its busiest year on record.
What the Data Says About Alasdair
The Social Security Administration has registered 497 babies named Alasdair between 1989 and 2024, spanning 36 consecutive years of U.S. birth records. As a boy's name, Alasdair currently holds the #3734 rank among boys for 2024. The name reached its historical peak in 2021, when 37 babies received it in a single year.
Decade-level aggregation shows that Alasdair performed strongest in the 2010s, accumulating 225 births during that ten-year window. Across the 5 decades of recorded activity, Alasdair shows notable generational variation in parental adoption. Geographically, the name is most concentrated in California, which accounts for 18 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Alasdair in 1 of the 51 U.S. reporting jurisdictions.
No etymological entry is currently available for Alasdair in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 497 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.
Alasdair at a glance
Outside the top 1,000Peak year
Current rank
Active since
Alasdair popularity over time
Annual U.S. births registered with the Social Security Administration · 2024–1989
- Peak year (2021)
- 37
- Annual births at peak — across 36 years of records
Currently ranks #3734 among boys.
497 total births across 36 years of SSA records. Peaked in 2021 with 37 births in a single year.
Alasdair by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 2010s
- 225 births that decade — 45% of Alasdair's all-time total
Alasdair decade highlights
- Peak decade 225 births
- Runner-up 139 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
2010s was Alasdair's strongest decade
225 babies received the name during that ten-year window — about 45% of all-time use.
Alasdair by state
Where Alasdair concentrates geographically — total births since 1989
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 18 | 3.6% |
18 of 497 births nationwide.
Top 5 states
- California 3.6% of nationwide
Recorded in 1 of 51 SSA jurisdictions
California accounts for 3.6% of all recorded births nationwide — a relatively diffuse profile for this name.
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Data Sources
Data as of 2024. Source: U.S. Social Security Administration (SSA).
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1989–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.
State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.