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.

#13,693 of 45,481
all-time among boys
178
born since 1912
1950s
peak 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.

  • #13,693 of 45,481 all-time among boys
  • 178 born since 1912
  • 1950s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Theodus ranks #13,693 of 45,481 boys' names by all-time recorded births (highest first). 178 born since 1912, peaking in the 1950s.

#13,693 of 45,481
all-time among boys
178
born since 1912
1950s
peak decade
Below the archive median
All-time archive position

Theodus's 178 recorded births place it above 69.88% of the 45,481 boys names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

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 popularity over time

Annual U.S. births registered with the Social Security Administration · 1912–1985

Last recorded 1985
Peak year (1921)
8
Annual births at peak, across 74 years of records
456789 191219211928193919511957196519791985 5

Theodus by decade

1950s is the heaviest window (38 births, 21% of the file).

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

births

What this shows Peak: 1950s at 38 births (21% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

Frequently Asked Questions

How popular is the name Theodus?
178 babies have been named Theodus since 1912. All-time, it sits at #13,693 of 45,481 boys' names by recorded births. It was last recorded in 1985. The peak year was 1921 with 8 births.
Where does Theodus sit in the SSA name archive?
According to the U.S. Social Security Administration, Theodus ranks #13,693 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
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.

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Theodus: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1912–1985 (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 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 August 2026.