Total births
2,172
Boys' name · since 1967
Sir
2,172 babies named Sir in U.S. Social Security records since 1967, with the highest year being 2021. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #1965
- among boys today
- 2,172
- born since 1967
- 2010s
- peak decade
- 86%
- more common than other boys
Sir currently ranks #1965 among boys' names in America, with 2,172 babies recorded since 1967.
Sir has 2,172 recorded births among boys since 1967, per the U.S. Social Security Administration, ranked #1965 as of the latest data, more common than 86% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1967 to 2025.
- #1965 among boys today
- 2,172 born since 1967
- 2010s peak decade
- 86% more common than other boys
Data updated Jun 2026
The verdict
Sir is currently the #1965 boys' name in America, more common than 86% of boys - 2,172 born since 1967, peaking in the 2010s.
- #1965
- among boys today
- 2,172
- born since 1967
- 2010s
- peak decade
- 86%
- more common than other boys
Sir vs. every other boys name in current SSA rankings
#1965
of 14,294 boys in use
More common than 86% of names given to boys today.
2010s
Peak decade
28% of everyone ever named Sir was born in this single decade.
2021
Single peak year
123 babies were named Sir in 2021 - its busiest year on record.
How Sir compares
2,172 Top 20% higher than 80% of 14,294 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
Sir's all-time total is 6x the median boys name, and Liam still leads by a wide margin.
| Metric | Sir | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 2,172 | 367 | 358,536 |
| Peak-year births | 123 | 23 | 22,252 |
Sir's usage pattern, beyond the headline number
Splitting Sir's full recorded timeline at 1997, 75% of its total births fall in the more recent half of the record versus 25% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1967, with just 5 recorded births -- worth weighing against the 2021 peak of 123 to see the full range of the name's swing in popularity.
Sir at a glance
Outside the top 1,000Peak year
2021
Current rank
#1,965
Active since
1967
Sir popularity over time
Annual U.S. births registered with the Social Security Administration · 1967–2025
- Peak year (2021)
- 123
- Annual births at peak, across 59 years of records
Sir by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Sir's strongest decade.
613 babies received the name during that ten-year window, about 28% of all-time use.
Sir births by decade
Total births in each ten-year window
- 1960s 11
1960s
11 births
- 1970s 110
1970s
110 births
- 1980s 212
1980s
212 births
- 1990s
1990s
283 births
- 2000s
2000s
384 births
- 2010s
2010s
613 births
- 2020s
2020s
559 births
What this shows Peak: 2010s at 613 births (28% of all-time use).
How Sir 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 Sir's total volume
Sir vs 15 similarly-sized boys names
Sir by state
Where Sir concentrates geographically, total births since 1967
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 184 | 8.5% |
| #2 | Texas | | 171 | 7.9% |
| #3 | Florida | | 78 | 3.6% |
| #4 | Ohio | | 75 | 3.5% |
| #5 | Georgia | | 52 | 2.4% |
| #6 | New York | | 45 | 2.1% |
| #7 | Pennsylvania | | 28 | 1.3% |
| #8 | North Carolina | | 22 | 1.0% |
California share of Sir's total US births 8.5%
Even split
184 of 2,172 births nationwide. Compared to a flat distribution across 14 reporting states.
Sir appears in 14 states. Explore state details →
Frequently Asked Questions
How popular is the name Sir? ▼
Sir has been given to 2,172 babies in the U.S. since 1967, according to SSA data. Among boys, it ranks #1965 as of the latest data. 123 babies were born in 2021, its single highest year.
When was Sir most popular? ▼
Sir was most popular in the 2010s decade with 613 total births. The single peak year was 2021.
Where is Sir most popular? ▼
The top states for the name Sir are California (184 births), Texas (171 births), Florida (78 births).
How long has the name Sir been used? ▼
Records for Sir go back to 1967, giving 59 years of history through 2025.
What names are similar to Sir? ▼
Names with a similar sound or spelling include Sire, Sirius, Siraj, Sirus, and 4 more. These share a common prefix and are also used for boys.
What to do with Sir's data
- Sir's usage has stayed within range of its 2010s decade-level peak (613 total births) through the 2020s (559) -- a comparatively stable name, not a fading trend.
- California records the most Sirs (184 births) -- see the full state breakdown if geography matters to your decision. California names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Sir
Nearby Names Like Sir
Names with a similar sound, spelling, or feel to Sir
Sire Boy
#1683 1,715 births
Sirius Boy
#2585 724 births
Siraj Boy
#3572 635 births
Sirus Boy
#6663 358 births
Sirr Boy
#13141 264 births
Compare Sir side by side: Sir vs Sire Sir vs Sirius Sir vs Siraj
Related Names
Names with a similar popularity rank to Sir
Data Sources
Data as of June 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, 1967–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Sir: #1965 Boys' Name - 2,172 Births, Peak 2021." NameAlmanac. Accessed via https://namealmanac.com/name/sir. Licensed CC BY-SA 4.0.
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 Sir 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 June 2026.