US rank #1877 Girls' name Peak 2024 1,421 births

Theadora — #1877 US girls' name

1,421 babies named Theadora in U.S. Social Security records since 1906, with the highest year being 2024. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1900s101910s511920s1061930s831940s931950s381960s311970s81980s511990s1182000s1182010s2872020s427
#1877
of 17,661 girls in use

More common than 89% of names given to girls today.

2020s
Peak decade

30% of everyone ever named Theadora was born in this single decade.

2024
Single peak year

106 babies were named Theadora in 2024 — its busiest year on record.

What the Data Says About Theadora

The Social Security Administration has registered 1,421 babies named Theadora between 1906 and 2024, spanning 119 consecutive years of U.S. birth records. As a girl's name, Theadora currently holds the #1877 rank among girls for 2024. The name reached its historical peak in 2024, when 106 babies received it in a single year.

Decade-level aggregation shows that Theadora performed strongest in the 2020s, accumulating 427 births during that ten-year window. Across the 13 decades of recorded activity, Theadora shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in New York, which accounts for 43 births — the largest state-level total in the dataset — followed by California and Michigan. In total, SSA state-level files list Theadora in 12 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Theadora 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 1,421 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.

Theadora at a glance

Outside the top 1,000

Total births

1,421

Since 1906

119 years of records

Peak year

2024

106 births that year

Strongest decade: 2020s

Current rank

#1,877

Among girls

As of 2024

Active since

1906

Recorded for 119 years

Last year on file: 2024

Theadora popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1906

Outside the top 1,000
Peak year (2024)
106
Annual births at peak — across 119 years of records
-50050100150 202420132002199119671945193419221906 5

Theadora by decade

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

Peak: 2020s
Peak decade
2020s
427 births that decade — 30% of Theadora's all-time total
1900s101910s511920s1061930s831940s931950s381960s311970s81980s511990s1182000s1182010s2872020s427

Theadora by state

Where Theadora concentrates geographically — total births since 1906

Geographically diffuse
Top 8 states by recorded births for the name Theadora
Rank State Visual share Births Share of total
#1 New York
43 3.0%
#2 California
27 1.9%
#3 Michigan
25 1.8%
#4 Pennsylvania
23 1.6%
#5 Illinois
13 0.9%
#6 Texas
12 0.8%
#7 Colorado
11 0.8%
#8 Florida
11 0.8%
New York share of Theadora's total US births 3.0%
Even split

43 of 1,421 births nationwide. Compared to a flat distribution across 12 reporting states.

Theadora appears in 12 states. Explore state details →

Frequently Asked Questions

How popular is the name Theadora?
1,421 babies have been named Theadora since 1906. It currently ranks #1877 among girls. The peak year was 2024 with 106 births.
When was Theadora most popular?
Theadora was most popular in the 2020s decade with 427 total births. The single peak year was 2024.
Where is Theadora most popular?
The top states for the name Theadora are New York (43 births), California (27 births), Michigan (25 births).
How long has the name Theadora been used?
Theadora has been recorded in Social Security data since 1906, spanning 119 years of data through 2024.
What names are similar to Theadora?
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 Theadora

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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, 1906–2024 (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.