Girls' name · since 1919

Theria

Since 1919, U.S. Social Security records show 22 babies named Theria, peaking in 1936. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

22
total births
1919–1965
years on record
1930s
peak decade
27%
born in that decade

22 girls have been named Theria since 1919, though it isn't currently a top-ranked name.

Social Security Administration records show Theria recorded 22 times among girls since 1919, though it doesn't currently rank among the most-used girls names, peaking in the 1930s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1919 to 1965.

  • 22 total births
  • 1919–1965 years on record
  • 1930s peak decade
  • 27% born in that decade

Data updated Jul 2026

The verdict

22 girls have been named Theria since 1919, peaking in the 1930s, last recorded in 1965.

22
total births
1919–1965
years on record
1930s
peak decade
27%
born in that decade
1930s
Peak decade

27% of everyone ever named Theria was born in this single decade.

1936
Single peak year

6 babies were named Theria in 1936 - its busiest year on record.

Theria's usage pattern, beyond the headline number

Splitting Theria's full recorded timeline at 1958, 50% of its total births fall in the more recent half of the record versus 50% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1919, with just 5 recorded births -- worth weighing against the 1936 peak of 6 to see the full range of the name's swing in popularity.

Theria at a glance

Last recorded 1965

Total births

22

Since 1919

47 years of records

Peak year

1936

6 births that year

Strongest decade: 1930s

Current rank

Unranked

Outside the modern top-1,000

As of 1965

Active since

1919

Recorded for 47 years

Last year on file: 1965

Theria popularity over time

Annual U.S. births registered with the Social Security Administration · 1919–1965

Last recorded 1965
Peak year (1936)
6
Annual births at peak, across 47 years of records
4.555.566.5 1919193619581965 5

Theria by decade

Total births in each ten-year window, peak vs trough at a glance

1930s was Theria's strongest decade.

6 babies received the name during that ten-year window, about 27% of all-time use.

Theria births by decade

Total births in each ten-year window

births

What this shows Peak: 1930s at 6 births (27% of all-time use).

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

Frequently Asked Questions

How popular is the name Theria?
Theria has been given to 22 babies in the U.S. since 1919, according to SSA data. Its last appearance in the data was 1965. 6 babies were born in 1936, its single highest year.
When was Theria most popular?
Theria was most popular in the 1930s decade with 6 total births. The single peak year was 1936.
How long has the name Theria been used?
The SSA has tracked Theria since 1919 -- 47 years through the most recent 1965 data.
What names are similar to Theria?
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.

What to do with Theria's data

  • Theria's usage has stayed within range of its 1930s decade-level peak (6 total births) through the 1960s (5) -- a comparatively stable name, not a fading trend.
  • 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.

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, 1919–1965 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Theria: Baby Name Since 1919 - 22 Births, Peak 1936." NameAlmanac. Accessed via https://namealmanac.com/name/theria. 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 Theria 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.