Total births
178
Boys' name · since 1912
Theodus
178 babies named Theodus in U.S. Social Security records since 1912, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 178
- total births
- 1912–1985
- years on record
- 1950s
- peak decade
- 21%
- born in that decade
Theodus sits outside today's top ranks for boys, with 178 recorded since 1912.
Theodus has 178 recorded births among boys since 1912, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1950s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1912 to 1985.
- 178 total births
- 1912–1985 years on record
- 1950s peak decade
- 21% born in that decade
Data updated Jul 2026
The verdict
178 boys have been named Theodus since 1912, peaking in the 1950s, last recorded in 1985.
- 178
- total births
- 1912–1985
- years on record
- 1950s
- peak decade
- 21%
- born in that decade
1950s
Peak decade
21% of everyone ever named Theodus was born in this single decade.
1921
Single peak year
8 babies were named Theodus in 1921 - its busiest year on record.
Theodus's usage pattern, beyond the headline number
Splitting Theodus's full recorded timeline at 1949, 51% of its total births fall in the more recent half of the record versus 49% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1917, with just 5 recorded births -- worth weighing against the 1921 peak of 8 to see the full range of the name's swing in popularity.
Theodus at a glance
Last recorded 1985Peak year
1921
Current rank
Unranked
Active since
1912
Theodus popularity over time
Annual U.S. births registered with the Social Security Administration · 1912–1985
- Peak year (1921)
- 8
- Annual births at peak, across 74 years of records
Theodus by decade
Total births in each ten-year window, peak vs trough at a glance
1950s was Theodus's strongest decade.
38 babies received the name during that ten-year window, about 21% of all-time use.
Theodus births by decade
Total births in each ten-year window
- 1910s
1910s
18 births
- 1920s
1920s
36 births
- 1930s
1930s
23 births
- 1940s
1940s
16 births
- 1950s
1950s
38 births
- 1960s
1960s
30 births
- 1970s 12
1970s
12 births
- 1980s 5
1980s
5 births
What this shows Peak: 1950s at 38 births (21% of all-time use).
Frequently Asked Questions
How popular is the name Theodus? ▼
178 babies have been named Theodus since 1912. It was last recorded in 1985. The peak year was 1921 with 8 births.
When was Theodus most popular? ▼
Theodus was most popular in the 1950s decade with 38 total births. The single peak year was 1921.
How long has the name Theodus been used? ▼
Theodus has been recorded in Social Security data since 1912, spanning 74 years of data through 1985.
What names are similar to Theodus? ▼
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.
What to do with Theodus's data
- Theodus's decade-level peak was the 1950s (38 total births); usage has since declined to 5 in the 1980s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Theodus
Nearby Names Like Theodus
Names with a similar sound, spelling, or feel to Theodus
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 Theodus side by side: Theodus vs Theodore Theodus vs Theo Theodus 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, 1912–1985 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Theodus: Baby Name Since 1912 - 178 Births, Peak 1921." NameAlmanac. Accessed via https://namealmanac.com/name/theodus. 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 Theodus 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.