Girls' name · since 1915

Thedora

103 babies named Thedora in U.S. Social Security records since 1915, with the highest year being 1925. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

103
total births
1915–1956
years on record
1920s
peak decade
46%
born in that decade

Thedora sits outside today's top ranks for girls, with 103 recorded since 1915.

Social Security Administration records show Thedora recorded 103 times among girls since 1915, though it doesn't currently rank among the most-used girls names, peaking in the 1920s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1915 to 1956.

  • 103 total births
  • 1915–1956 years on record
  • 1920s peak decade
  • 46% born in that decade

Data updated Jun 2026

The verdict

103 girls have been named Thedora since 1915, peaking in the 1920s, last recorded in 1956.

103
total births
1915–1956
years on record
1920s
peak decade
46%
born in that decade
1920s
Peak decade

46% of everyone ever named Thedora was born in this single decade.

1925
Single peak year

9 babies were named Thedora in 1925 - its busiest year on record.

Thedora's usage pattern, beyond the headline number

Divide Thedora's SSA record in two at 1928 and the more recent half accounts for 50% of all births, the earlier half the remaining 50%, a genuinely balanced usage pattern. Its calmest year was 1915, with only 5 births recorded -- set against the 1925 peak of 9, that's the full swing in one name's fortunes.

Thedora at a glance

Last recorded 1956

Total births

103

Since 1915

42 years of records

Peak year

1925

9 births that year

Strongest decade: 1920s

Current rank

Unranked

Outside the modern top-1,000

As of 1956

Active since

1915

Recorded for 42 years

Last year on file: 1956

Thedora popularity over time

Annual U.S. births registered with the Social Security Administration · 1915–1956

Last recorded 1956
Peak year (1925)
9
Annual births at peak, across 42 years of records
45678910 1915192219261931195019541956 5

Thedora by decade

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

1920s was Thedora's strongest decade.

47 babies received the name during that ten-year window, about 46% of all-time use.

Thedora births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 47 births (46% of all-time use).

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

Frequently Asked Questions

How popular is the name Thedora?
Since 1915, Social Security records show 103 babies named Thedora. The most recent recorded year was 1956. Its busiest year on record was 1925, with 9 births.
When was Thedora most popular?
Thedora was most popular in the 1920s decade with 47 total births. The single peak year was 1925.
How long has the name Thedora been used?
Thedora has been recorded in Social Security data since 1915, spanning 42 years of data through 1956.
What names are similar to Thedora?
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 Thedora's data

  • Thedora's usage has stayed within range of its 1920s decade-level peak (47 total births) through the 1950s (31) -- 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 June 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, 1915–1956 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Thedora: Baby Name Since 1915 - 103 Births, Peak 1925." NameAlmanac. Accessed via https://namealmanac.com/name/thedora. 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 Thedora 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 June 2026.