Girls' name · since 1918
Theatus
11 babies named Theatus in U.S. Social Security records since 1918, with the highest year being 1922. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #54,288 of 72,339
- all-time among girls
- 11
- born since 1918
- 1920s
- peak decade
11 girls have been named Theatus since 1918, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Theatus has been recorded 11 times among girls since 1918, though it is not among the currently most-used girls names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1918 to 1922.
- #54,288 of 72,339 all-time among girls
- 11 born since 1918
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Theatus ranks #54,288 of 72,339 girls' names by all-time recorded births (highest first). 11 born since 1918, peaking in the 1920s.
- #54,288 of 72,339
- all-time among girls
- 11
- born since 1918
- 1920s
- peak decade
Theatus's 11 recorded births place it above 24.68% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Theatus's usage pattern, beyond the headline number
Theatus splits its recorded history at 1922: 55% of all births land in the more recent half, 45% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1918 (5 births) -- compare that against the 1922 peak of 6 for a sense of just how much the name's popularity has swung.
Theatus popularity over time
Annual U.S. births registered with the Social Security Administration · 1918–1922
- Peak year (1922)
- 6
- Annual births at peak, across 5 years of records
Theatus by decade
1920s is the heaviest window (6 births, 55% of the file).
1920s was Theatus's strongest decade.
6 babies received the name during that ten-year window, about 55% of all-time use.
Theatus births by decade
Total births in each ten-year window
- 1910s
1910s
5 births
- 1920s
1920s
6 births
What this shows Peak: 1920s at 6 births (55% of all-time use).
Frequently Asked Questions
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Keep exploring Theatus
Nearby Names Like Theatus
Names with a similar sound, spelling, or feel to Theatus
Compare Theatus side by side: Theatus vs Theresa Theatus vs Thelma Theatus vs Therese
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Theatus: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1922)
Similar record span (~4 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, 1918–1922 (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 Theatus 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.