Total births
35
Boys' name · since 2020
Theodorus
Since 2020, U.S. Social Security records show 35 babies named Theodorus, peaking in 2024. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #6459
- among boys today
- 35
- born since 2020
- 2020s
- peak decade
- 55%
- more common than other boys
35 babies have been named Theodorus since 2020, making it today's #6459 boys' name.
According to the U.S. Social Security Administration, Theodorus has been recorded 35 times among boys since 2020, currently ranked #6459 nationally and more common than 55% 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 2020 to 2025.
- #6459 among boys today
- 35 born since 2020
- 2020s peak decade
- 55% more common than other boys
Data updated Jul 2026
The verdict
Theodorus is currently the #6459 boys' name in America, more common than 55% of boys - 35 born since 2020, peaking in the 2020s.
- #6459
- among boys today
- 35
- born since 2020
- 2020s
- peak decade
- 55%
- more common than other boys
Theodorus vs. every other boys name in current SSA rankings
#6459
of 14,294 boys in use
More common than 55% of names given to boys today.
2020s
Peak decade
100% of everyone ever named Theodorus was born in this single decade.
2024
Single peak year
14 babies were named Theodorus in 2024 - its busiest year on record.
How Theodorus compares
35 12th percentile among 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
Theodorus's all-time total is 90% below the median boys name, and Liam still leads by a wide margin.
| Metric | Theodorus | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 35 | 367 | 358,536 |
| Peak-year births | 14 | 23 | 22,252 |
Theodorus's usage pattern, beyond the headline number
Splitting Theodorus's full recorded timeline at 2024, 54% of its total births fall in the more recent half of the record versus 46% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 2025, with just 5 recorded births -- worth weighing against the 2024 peak of 14 to see the full range of the name's swing in popularity.
Theodorus at a glance
Outside the top 1,000Peak year
2024
Current rank
#6,459
Active since
2020
Theodorus popularity over time
Annual U.S. births registered with the Social Security Administration · 2020–2025
- Peak year (2024)
- 14
- Annual births at peak, across 6 years of records
Theodorus by decade
Total births in each ten-year window, peak vs trough at a glance
2020s was Theodorus's strongest decade.
35 babies received the name during that ten-year window, about 100% of all-time use.
Theodorus births by decade
Total births in each ten-year window
- 2020s
2020s
35 births
What this shows Peak: 2020s at 35 births (100% of all-time use).
Frequently Asked Questions
How popular is the name Theodorus? ▼
Theodorus has been given to 35 babies in the U.S. since 2020, according to SSA data. Among boys, it ranks #6459 as of the latest data. 14 babies were born in 2024, its single highest year.
When was Theodorus most popular? ▼
Theodorus was most popular in the 2020s decade with 35 total births. The single peak year was 2024.
How long has the name Theodorus been used? ▼
The SSA has tracked Theodorus since 2020 -- 6 years through the most recent 2025 data.
What names are similar to Theodorus? ▼
Names with a similar sound or spelling include Theodore, Theo, Theron, Theadore, and 4 more. These share a common prefix and are also used for boys.
Keep exploring Theodorus
Nearby Names Like Theodorus
Names with a similar sound, spelling, or feel to Theodorus
Theodore Boy
#4 317,206 births
Theo Boy
#80 35,830 births
Theron Boy
#2837 12,960 births
Theadore Boy
#9912 4,005 births
Theophilus Boy
#2213 2,448 births
Compare Theodorus side by side: Theodorus vs Theodore Theodorus vs Theo Theodorus vs Theron
Related Names
Names with a similar popularity rank to Theodorus
Data Sources
Data as of July 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, 2020–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Theodorus: #6459 Boys' Name - 35 Births, Peak 2024." NameAlmanac. Accessed via https://namealmanac.com/name/theodorus. 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 Theodorus 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 July 2026.