Boys' name · since 1929
Theodoro
Since 1929, U.S. Social Security records show 309 babies named Theodoro, peaking in 2025. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #10,421 of 45,481
- all-time among boys
- #2,894 of 13,930
- 2025 SSA year
- 309
- born since 1929
- 2020s
- peak decade
Theodoro currently ranks #2894 among boys' names in America, with 309 babies recorded since 1929.
According to the U.S. Social Security Administration, Theodoro has been recorded 309 times among boys since 1929, currently ranked #2894 nationally and more common than 79% of boys, with its heaviest use in the 2020s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1929 to 2025.
- #10,421 of 45,481 all-time among boys
- #2,894 of 13,930 2025 SSA year
- 309 born since 1929
- 2020s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Theodoro ranks #10,421 of 45,481 boys' names by all-time recorded births (highest first) and #2,894 of 13,930 among boys' names in 2025. 309 born since 1929, peaking in the 2020s.
- #10,421 of 45,481
- all-time among boys
- #2,894 of 13,930
- 2025 SSA year
- 309
- born since 1929
- 2020s
- peak decade
Theodoro's 309 recorded births place it above 77.08% of the 45,481 boys names in the full SSA archive.
The state file records this name in 3 jurisdictions, led by California.
How Theodoro compares
309 46th percentile among 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
Theodoro's all-time total is 16% below the median boys name, and Liam still leads by a wide margin.
| Metric | Theodoro | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 309 | 369 | 358,536 |
| Peak-year births | 43 | 34 | 22,252 |
Theodoro's usage pattern, beyond the headline number
Splitting Theodoro's full recorded timeline at 1990, 67% of its total births fall in the more recent half of the record versus 33% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1929, with just 5 recorded births -- worth weighing against the 2025 peak of 43 to see the full range of the name's swing in popularity.
Theodoro popularity over time
Annual U.S. births registered with the Social Security Administration · 1929–2025
- Peak year (2025)
- 43
- Annual births at peak, across 97 years of records
Theodoro by decade
2020s is the heaviest window (137 births, 44% of the file).
2020s was Theodoro's strongest decade.
137 babies received the name during that ten-year window, about 44% of all-time use.
Theodoro births by decade
Total births in each ten-year window
- 1920s 5
1920s
5 births
- 1930s 12
1930s
12 births
- 1940s 5
1940s
5 births
- 1950s 12
1950s
12 births
- 1960s 12
1960s
12 births
- 1970s 19
1970s
19 births
- 1980s 37
1980s
37 births
- 1990s 27
1990s
27 births
- 2000s 5
2000s
5 births
- 2010s 38
2010s
38 births
- 2020s
2020s
137 births
What this shows Peak: 2020s at 137 births (44% of all-time use).
Theodoro by state
Where Theodoro concentrates geographically, total births since 1929
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 16 | 5.2% |
| #2 | Texas | | 16 | 5.2% |
| #3 | Massachusetts | | 6 | 1.9% |
16 of 309 births nationwide. Compared to a flat distribution across 3 reporting states.
Frequently Asked Questions
How popular is the name Theodoro? ▼
Where does Theodoro sit in the SSA name archive? ▼
When was Theodoro most popular? ▼
Where is Theodoro most popular? ▼
How long has the name Theodoro been used? ▼
What names are similar to Theodoro? ▼
What to do with Theodoro's data
- California records the most Theodoros (16 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 Theodoro
Nearby Names Like Theodoro
Names with a similar sound, spelling, or feel to Theodoro
Compare Theodoro side by side: Theodoro vs Theodore Theodoro vs Theo Theodoro vs Theron
Related Names
Names with a similar popularity rank to Theodoro
Nationwide names with similar peak year or record span
Two nationwide peer axes for Theodoro: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2025)
Similar record span (~96 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, 1929–2025 (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 Theodoro 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.