Unisex name · since 1900
Sinclair
Since 1900, U.S. Social Security records show 1,435 babies named Sinclair, peaking in 1924. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #4,083 of 45,481
- all-time among boys
- #6,160 of 13,930
- 2025 SSA year
- 1,435
- born since 1900
- 1920s
- peak decade
Sinclair currently ranks #6160 among unisex names in America, with 1,435 babies recorded since 1900.
Sinclair has 1,435 recorded births among boys since 1900, per the U.S. Social Security Administration, ranked #6160 as of the latest data, more common than 56% of boys, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1900 to 2025.
- #4,083 of 45,481 all-time among boys
- #6,160 of 13,930 2025 SSA year
- 1,435 born since 1900
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Sinclair ranks #4,083 of 45,481 boys' names by all-time recorded births (highest first) and #6,160 of 13,930 among boys' names in 2025. 1,435 born since 1900, peaking in the 1920s.
- #4,083 of 45,481
- all-time among boys
- #6,160 of 13,930
- 2025 SSA year
- 1,435
- born since 1900
- 1920s
- peak decade
Sinclair's 1,435 recorded births place it above 91.02% of the 45,481 boys names in the full SSA archive.
The state file records this name in 5 jurisdictions, led by South Carolina.
How Sinclair compares
1,435 Top 26% higher than 74% 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
Sinclair's all-time total is 4x the median boys name, and Liam still leads by a wide margin.
| Metric | Sinclair | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 1,435 | 369 | 358,536 |
| Peak-year births | 29 | 34 | 22,252 |
Sinclair's usage pattern, beyond the headline number
Divide Sinclair's SSA record in two at 1964 and the more recent half accounts for 43% of all births, the earlier half the remaining 57%, a genuinely balanced usage pattern. Its calmest year was 1902, with only 5 births recorded -- set against the 1924 peak of 29, that's the full swing in one name's fortunes.
Sinclair popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1900–2025
- Peak year (1924)
- 29
- Annual births at peak, across 126 years of records
Sinclair popularity over time - girls
477 total births recorded since 1989 (Sinclair as girls' name)
Sinclair by decade
1920s is the heaviest window (198 births, 14% of the file).
1920s was Sinclair's strongest decade.
198 babies received the name during that ten-year window, about 14% of all-time use.
Sinclair births by decade
Total births in each ten-year window
- 1900s 13
1900s
13 births
- 1910s
1910s
124 births
- 1920s
1920s
198 births
- 1930s
1930s
156 births
- 1940s
1940s
120 births
- 1950s
1950s
168 births
- 1960s
1960s
105 births
- 1970s
1970s
111 births
- 1980s
1980s
164 births
- 1990s
1990s
105 births
- 2000s 41
2000s
41 births
- 2010s 74
2010s
74 births
- 2020s 56
2020s
56 births
What this shows Peak: 1920s at 198 births (14% of all-time use).
How Sinclair 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 Sinclair's total volume
Sinclair by state
Where Sinclair concentrates geographically, total births since 1900
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | South Carolina | | 89 | 6.2% |
| #2 | New York | | 22 | 1.5% |
| #3 | Florida | | 6 | 0.4% |
| #4 | Georgia | | 5 | 0.3% |
| #5 | North Carolina | | 5 | 0.3% |
89 of 1,435 births nationwide. Compared to a flat distribution across 5 reporting states.
Frequently Asked Questions
How popular is the name Sinclair? ▼
Where does Sinclair sit in the SSA name archive? ▼
When was Sinclair most popular? ▼
Where is Sinclair most popular? ▼
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What to do with Sinclair's data
- Sinclair's decade-level peak was the 1920s (198 total births); usage has since declined to 56 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- South Carolina records the most Sinclairs (89 births) -- see the full state breakdown if geography matters to your decision. South Carolina names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Sinclair
Nearby Names Like Sinclair
Names with a similar sound, spelling, or feel to Sinclair
Compare Sinclair side by side: Sinclair vs Sincere Sinclair vs Sina Sinclair vs Sinan
Related Names
Names with a similar popularity rank to Sinclair
Nationwide names with similar peak year or record span
Two nationwide peer axes for Sinclair: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1924)
Similar record span (~125 yrs)
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, 1900–2025 (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 Sinclair 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.