Total births
10
Boys' name · since 2025
Theodosius
10 babies named Theodosius in U.S. Social Security records since 2025, with the highest year being 2025. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 10
- total births
- 2025–2025
- years on record
- 2020s
- peak decade
- 100%
- born in that decade
Theodosius is not among the current top-ranked boys names; 10 have been recorded since 2025.
According to the U.S. Social Security Administration, Theodosius has been recorded 10 times among boys since 2025, though it is not among the currently most-used boys names, 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 2025 to 2025.
- 10 total births
- 2025–2025 years on record
- 2020s peak decade
- 100% born in that decade
Data updated Jul 2026
The verdict
10 boys have been named Theodosius since 2025, peaking in the 2020s, last recorded in 2025.
- 10
- total births
- 2025–2025
- years on record
- 2020s
- peak decade
- 100%
- born in that decade
2020s
Peak decade
100% of everyone ever named Theodosius was born in this single decade.
2025
Single peak year
10 babies were named Theodosius in 2025 - its busiest year on record.
Theodosius at a glance
Last recorded 2025Peak year
2025
Current rank
Unranked
Active since
2025
Theodosius popularity over time
Annual U.S. births registered with the Social Security Administration · 2025–2025
- Peak year (2025)
- 10
- Annual births at peak, across 1 years of records
Theodosius by decade
Total births in each ten-year window, peak vs trough at a glance
2020s was Theodosius's strongest decade.
10 babies received the name during that ten-year window, about 100% of all-time use.
Theodosius births by decade
Total births in each ten-year window
- 2020s
2020s
10 births
What this shows Peak: 2020s at 10 births (100% of all-time use).
Frequently Asked Questions
How popular is the name Theodosius? ▼
Since 2025, Social Security records show 10 babies named Theodosius. The most recent recorded year was 2025. Its busiest year on record was 2025, with 10 births.
When was Theodosius most popular? ▼
Theodosius was most popular in the 2020s decade with 10 total births. The single peak year was 2025.
How long has the name Theodosius been used? ▼
Theodosius has been recorded in Social Security data since 2025, spanning 1 year of data through 2025.
What names are similar to Theodosius? ▼
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 Theodosius
Nearby Names Like Theodosius
Names with a similar sound, spelling, or feel to Theodosius
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 Theodosius side by side: Theodosius vs Theodore Theodosius vs Theo Theodosius vs Theron
Related Names
Names with a similar number of total births
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, 2025–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Theodosius: Baby Name Since 2025 - 10 Births, Peak 2025." NameAlmanac. Accessed via https://namealmanac.com/name/theodosius. 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 Theodosius 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.