Boys' name · since 2004

Sirwilliam

42 babies named Sirwilliam in U.S. Social Security records since 2004, with the highest year being 2010. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#23,439 of 45,481
all-time among boys
42
born since 2004
2010s
peak decade

Sirwilliam sits outside today's top ranks for boys, with 42 recorded since 2004.

Social Security Administration records show Sirwilliam recorded 42 times among boys since 2004, though it doesn't currently rank among the most-used boys names, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 2004 to 2019.

  • #23,439 of 45,481 all-time among boys
  • 42 born since 2004
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Sirwilliam ranks #23,439 of 45,481 boys' names by all-time recorded births (highest first). 42 born since 2004, peaking in the 2010s.

#23,439 of 45,481
all-time among boys
42
born since 2004
2010s
peak decade
Below the archive median
All-time archive position

Sirwilliam's 42 recorded births place it above 48.41% of the 45,481 boys names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Sirwilliam's usage pattern, beyond the headline number

Divide Sirwilliam's SSA record in two at 2012 and the more recent half accounts for 50% of all births, the earlier half the remaining 50%, a genuinely balanced usage pattern. Its calmest year was 2008, with only 5 births recorded -- set against the 2010 peak of 10, that's the full swing in one name's fortunes.

Sirwilliam popularity over time

Annual U.S. births registered with the Social Security Administration · 2004–2019

Last recorded 2019
Peak year (2010)
10
Annual births at peak, across 16 years of records
4681012 2004200820102012201420162019 6

Sirwilliam by decade

2010s is the heaviest window (31 births, 74% of the file).

2010s was Sirwilliam's strongest decade.

31 babies received the name during that ten-year window, about 74% of all-time use.

Sirwilliam births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 31 births (74% of all-time use).

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

Frequently Asked Questions

How popular is the name Sirwilliam? ▼
Since 2004, Social Security records show 42 babies named Sirwilliam. Across the full SSA archive it ranks #23,439 of 45,481 boys' names by total births. The most recent recorded year was 2019. Its busiest year on record was 2010, with 10 births.
Where does Sirwilliam sit in the SSA name archive? ▼
According to the U.S. Social Security Administration, Sirwilliam ranks #23,439 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Sirwilliam most popular? ▼
Sirwilliam was most popular in the 2010s decade with 31 total births. The single peak year was 2010.
How long has the name Sirwilliam been used? ▼
The SSA has tracked Sirwilliam since 2004 -- 16 years through the most recent 2019 data.
What names are similar to Sirwilliam? ▼
Names with a similar sound or spelling include Sir, Sire, Sirius, Siraj, and 4 more. These share a common prefix and are also used for boys.

Keep exploring Sirwilliam

Nearby Names Like Sirwilliam

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

Sir Boy
#2175 2,172 births
Sire Boy
#1476 1,715 births
Sirius Boy
#3496 724 births
Siraj Boy
#4323 635 births
Sirus Boy
#5320 358 births

Compare Sirwilliam side by side: Sirwilliam vs Sir Sirwilliam vs Sire Sirwilliam vs Sirius

Or pick any two names to compare →

Related Names

Names with a similar number of total births

Pinckney
42 births · Peak 1922
Elda
42 births · Peak 1912
Lacie
42 births · Peak 1921
Otie
42 births · Peak 1921
Raeburn
42 births · Peak 1930
Bartolomeo
42 births · Peak 1914
Alley
42 births · Peak 1914
Rudyard
42 births · Peak 1914

Nationwide names with similar peak year or record span

Two nationwide peer axes for Sirwilliam: 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, 2004–2019 (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 Sirwilliam 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.