Boys' name · since 1989

Alasdair

Since 1989, U.S. Social Security records show 525 babies named Alasdair, peaking in 2021. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#7,669 of 45,481
all-time among boys
#3,899 of 13,930
2025 SSA year
525
born since 1989
2010s
peak decade

525 babies have been named Alasdair since 1989, making it today's #3899 boys' name.

According to the U.S. Social Security Administration, Alasdair has been recorded 525 times among boys since 1989, currently ranked #3899 nationally and more common than 72% of boys, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1989 to 2025.

  • #7,669 of 45,481 all-time among boys
  • #3,899 of 13,930 2025 SSA year
  • 525 born since 1989
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Alasdair ranks #7,669 of 45,481 boys' names by all-time recorded births (highest first) and #3,899 of 13,930 among boys' names in 2025. 525 born since 1989, peaking in the 2010s.

#7,669 of 45,481
all-time among boys
#3,899 of 13,930
2025 SSA year
525
born since 1989
2010s
peak decade
0%100%Median name50%72%
Alasdair vs. every other boys name in current SSA rankings
Above the archive median
All-time archive position

Alasdair's 525 recorded births place it above 83.11% of the 45,481 boys names in the full SSA archive.

1 jurisdictions
State-record footprint

The state file records this name in 1 jurisdictions, led by California.

How Alasdair compares

525 Top 43% higher than 57% of 13,930 names currently given to boys

Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Alasdair's all-time total is 42% above the median boys name, and Liam still leads by a wide margin.

Metric Alasdair Median boys name (Takari) #1 boys name (Liam)
All-time total births 525 369 358,536
Peak-year births 37 34 22,252

Alasdair's usage pattern, beyond the headline number

Alasdair splits its recorded history at 2010: 75% of all births land in the more recent half, 25% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1989 (5 births) -- compare that against the 2021 peak of 37 for a sense of just how much the name's popularity has swung.

Alasdair popularity over time

Annual U.S. births registered with the Social Security Administration · 1989–2025

Outside the top 1,000
Peak year (2021)
37
Annual births at peak, across 37 years of records
010203040 198919962002200720112015201920232025 28

Alasdair by decade

2010s is the heaviest window (225 births, 43% of the file).

2010s was Alasdair's strongest decade.

225 babies received the name during that ten-year window, about 43% of all-time use.

Alasdair births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 225 births (43% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

How Alasdair compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Alasdair's total volume

Alasdair vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15%20%25% 050100150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -102, 5.3%-66, 5%-41, 4.6%-25, 23.7%-26, 11%-27, 8.4%-38, 6.3%-20, 10.1%-44, 6.3%-34, 6.5%-112, 7.4%-70, 4.9%-68, 4.4%-104, 4.9%-38, 6.1%Alasdair-37, 7%Alasdair
Alasdair vs 15 similarly-sized boys names

Alasdair by state

Where Alasdair concentrates geographically, total births since 1989

Geographically diffuse
Top 1 states by recorded births for the name Alasdair
Rank State Visual share Births Share of total
#1 California
18 3.4%
California share of Alasdair's total US births 3.4%

18 of 525 births nationwide.

Frequently Asked Questions

How popular is the name Alasdair?
Since 1989, Social Security records show 525 babies named Alasdair. Across the full SSA archive it ranks #7,669 of 45,481 boys' names by total births. In 2025, it holds #3,899 of 13,930 among boys. Its busiest year on record was 2021, with 37 births.
Where does Alasdair sit in the SSA name archive?
According to the U.S. Social Security Administration, Alasdair ranks #7,669 of 45,481 boys' names by all-time recorded births (highest first) and #3,899 of 13,930 among boys' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Alasdair most popular?
Alasdair was most popular in the 2010s decade with 225 total births. The single peak year was 2021.
Where is Alasdair most popular?
The top states for the name Alasdair are California (18 births).
How long has the name Alasdair been used?
Alasdair has been recorded in Social Security data since 1989, spanning 37 years of data through 2025.
What names are similar to Alasdair?
Names with a similar sound or spelling include Alan, Alain, Alaric, Alastair, and 4 more. These share a common prefix and are also used for boys.

What to do with Alasdair's data

  • Alasdair's usage has stayed within range of its 2010s decade-level peak (225 total births) through the 2020s (167) -- a comparatively stable name, not a fading trend.
  • California records the most Alasdairs (18 births) -- see the full state breakdown if geography matters to your decision. California names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Alasdair

Nearby Names Like Alasdair

Names with a similar sound, spelling, or feel to Alasdair

Names with a similar popularity rank to Alasdair

Nationwide names with similar peak year or record span

Two nationwide peer axes for Alasdair: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1989–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Alasdair draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.