Boys' name · since 1880
Theadore
4,005 babies named Theadore in U.S. Social Security records since 1880, with the highest year being 1927. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #2,085 of 45,481
- all-time among boys
- #12,032 of 13,930
- 2025 SSA year
- 4,005
- born since 1880
- 1920s
- peak decade
Theadore currently ranks #12032 among boys' names in America, with 4,005 babies recorded since 1880.
According to the U.S. Social Security Administration, Theadore has been recorded 4,005 times among boys since 1880, currently ranked #12032 nationally and more common than 14% of boys, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1880 to 2025.
- #2,085 of 45,481 all-time among boys
- #12,032 of 13,930 2025 SSA year
- 4,005 born since 1880
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Theadore ranks #2,085 of 45,481 boys' names by all-time recorded births (highest first) and #12,032 of 13,930 among boys' names in 2025. 4,005 born since 1880, peaking in the 1920s.
- #2,085 of 45,481
- all-time among boys
- #12,032 of 13,930
- 2025 SSA year
- 4,005
- born since 1880
- 1920s
- peak decade
Theadore's 4,005 recorded births place it above 95.41% of the 45,481 boys names in the full SSA archive.
22 jurisdictions carry state-level records, led by Pennsylvania.
How Theadore compares
4,005 Top 15% higher than 85% 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
Theadore's all-time total is 11x the median boys name, and Liam still leads by a wide margin.
| Metric | Theadore | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 4,005 | 369 | 358,536 |
| Peak-year births | 91 | 34 | 22,252 |
Theadore's usage pattern, beyond the headline number
Divide Theadore's SSA record in two at 1949 and the more recent half accounts for 33% of all births, the earlier half the remaining 67%, consistent with a name more common in the past than in recent years. Its calmest year was 1880, with only 5 births recorded -- set against the 1927 peak of 91, that's the full swing in one name's fortunes.
Theadore popularity over time
Annual U.S. births registered with the Social Security Administration · 1880–2025
- Peak year (1927)
- 91
- Annual births at peak, across 146 years of records
Theadore by decade
1920s is the heaviest window (770 births, 19% of the file).
1920s was Theadore's strongest decade.
770 babies received the name during that ten-year window, about 19% of all-time use.
Theadore births by decade
Total births in each ten-year window
- 1880s 47
1880s
47 births
- 1890s 38
1890s
38 births
- 1900s 137
1900s
137 births
- 1910s
1910s
428 births
- 1920s
1920s
770 births
- 1930s
1930s
703 births
- 1940s
1940s
592 births
- 1950s
1950s
536 births
- 1960s
1960s
323 births
- 1970s 175
1970s
175 births
- 1980s 110
1980s
110 births
- 1990s 50
1990s
50 births
- 2000s 28
2000s
28 births
- 2010s 32
2010s
32 births
- 2020s 36
2020s
36 births
What this shows Peak: 1920s at 770 births (19% of all-time use).
How Theadore 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 Theadore's total volume
Theadore by state
Where Theadore concentrates geographically, total births since 1880
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Pennsylvania | | 160 | 4.0% |
| #2 | South Carolina | | 110 | 2.7% |
| #3 | California | | 92 | 2.3% |
| #4 | Michigan | | 86 | 2.1% |
| #5 | North Carolina | | 85 | 2.1% |
| #6 | Ohio | | 70 | 1.7% |
| #7 | New York | | 54 | 1.3% |
| #8 | Illinois | | 52 | 1.3% |
160 of 4,005 births nationwide. Compared to a flat distribution across 22 reporting states.
Theadore appears in 22 states. Explore state details →
Frequently Asked Questions
How popular is the name Theadore? ▼
Where does Theadore sit in the SSA name archive? ▼
When was Theadore most popular? ▼
Where is Theadore most popular? ▼
How long has the name Theadore been used? ▼
What names are similar to Theadore? ▼
What to do with Theadore's data
- Theadore's decade-level peak was the 1920s (770 total births); usage has since declined to 36 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Pennsylvania records the most Theadores (160 births) -- see the full state breakdown if geography matters to your decision. Pennsylvania names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Theadore
Nearby Names Like Theadore
Names with a similar sound, spelling, or feel to Theadore
Compare Theadore side by side: Theadore vs Theodore Theadore vs Theo Theadore vs Theron
Related Names
Names with a similar popularity rank to Theadore
Nationwide names with similar peak year or record span
Two nationwide peer axes for Theadore: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1927)
Similar record span (~145 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, 1880–2025 (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 Theadore 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.