Total births
11
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.
- 11
- total births
- 1918–1922
- years on record
- 1920s
- peak decade
- 55%
- born in that 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.
- 11 total births
- 1918–1922 years on record
- 1920s peak decade
- 55% born in that decade
Data updated Jul 2026
The verdict
11 girls have been named Theatus since 1918, peaking in the 1920s, last recorded in 1922.
- 11
- total births
- 1918–1922
- years on record
- 1920s
- peak decade
- 55%
- born in that decade
1920s
Peak decade
55% of everyone ever named Theatus was born in this single decade.
1922
Single peak year
6 babies were named Theatus in 1922 - its busiest year on record.
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 at a glance
Last recorded 1922Peak year
1922
Current rank
Unranked
Active since
1918
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
Total births in each ten-year window, peak vs trough at a glance
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
How popular is the name Theatus? ▼
Theatus has been given to 11 babies in the U.S. since 1918, according to SSA data. Its last appearance in the data was 1922. 6 babies were born in 1922, its single highest year.
When was Theatus most popular? ▼
Theatus was most popular in the 1920s decade with 6 total births. The single peak year was 1922.
How long has the name Theatus been used? ▼
Theatus has been recorded in Social Security data since 1918, spanning 5 years of data through 1922.
What names are similar to Theatus? ▼
Names with a similar sound or spelling include Theresa, Thelma, Therese, Thea, and 4 more. These share a common prefix and are also used for girls.
Keep exploring Theatus
Nearby Names Like Theatus
Names with a similar sound, spelling, or feel to Theatus
Theresa Girl
#1492 404,613 births
Thelma Girl
#4299 225,460 births
Therese Girl
#2180 35,590 births
Thea Girl
#349 20,113 births
Theodora Girl
#811 12,654 births
Compare Theatus side by side: Theatus vs Theresa Theatus vs Thelma Theatus vs Therese
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, 1918–1922 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Theatus: Baby Name Since 1918 - 11 Births, Peak 1922." NameAlmanac. Accessed via https://namealmanac.com/name/theatus. 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 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 July 2026.