Recorded 1915–1956 Girls' name Peak 1925 103 births

Thedora — girls' name

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.

1910s101920s471930s51940s101950s31
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.

What the Data Says About Thedora

The Social Security Administration has registered 103 babies named Thedora between 1915 and 1956, spanning 42 consecutive years of U.S. birth records. As a girl's name, Thedora currently falls outside the top 1,000 girls' names for 1956. The name reached its historical peak in 1925, when 9 babies received it in a single year.

Decade-level aggregation shows that Thedora performed strongest in the 1920s, accumulating 47 births during that ten-year window. Across the 5 decades of recorded activity, Thedora shows notable generational variation in parental adoption.

No etymological entry is currently available for Thedora in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 103 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

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 · 1956–1915

Last recorded 1956
Peak year (1925)
9
Annual births at peak — across 42 years of records
45678910 1956195119471927192419181915 5

Thedora by decade

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

Peak: 1920s
Peak decade
1920s
47 births that decade — 46% of Thedora's all-time total
1910s101920s471930s51940s101950s31

Frequently Asked Questions

How popular is the name Thedora?
103 babies have been named Thedora since 1915. It was last recorded in 1956. The peak year 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.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1915–1956 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.