US rank #2095 Boys' name Peak 2022 2,140 births

Theodor — #2095 US boys' name

2,140 babies named Theodor in U.S. Social Security records since 1884, with the highest year being 2022. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s101890s61910s1101920s1391930s1201940s1131950s1391960s1241970s791980s981990s1272000s1892010s4922020s394
#2095
of 14,243 boys in use

More common than 85% of names given to boys today.

2010s
Peak decade

23% of everyone ever named Theodor was born in this single decade.

2022
Single peak year

88 babies were named Theodor in 2022 — its busiest year on record.

What the Data Says About Theodor

The Social Security Administration has registered 2,140 babies named Theodor between 1884 and 2024, spanning 141 consecutive years of U.S. birth records. As a boy's name, Theodor currently holds the #2095 rank among boys for 2024. The name reached its historical peak in 2022, when 88 babies received it in a single year.

Decade-level aggregation shows that Theodor performed strongest in the 2010s, accumulating 492 births during that ten-year window. Across the 14 decades of recorded activity, Theodor shows a stable profile with only moderate drift from its peak decade. Geographically, the name is most concentrated in California, which accounts for 122 births — the largest state-level total in the dataset — followed by New York and Texas. In total, SSA state-level files list Theodor in 12 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Theodor 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 2,140 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.

Theodor at a glance

Outside the top 1,000

Total births

2,140

Since 1884

141 years of records

Peak year

2022

88 births that year

Strongest decade: 2010s

Current rank

#2,095

Among boys

As of 2024

Active since

1884

Recorded for 141 years

Last year on file: 2024

Theodor popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1884

Outside the top 1,000
Peak year (2022)
88
Annual births at peak — across 141 years of records
020406080100 202420101996198119651951193719231884 5

Theodor by decade

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

Peak: 2010s
Peak decade
2010s
492 births that decade — 23% of Theodor's all-time total
1880s101890s61910s1101920s1391930s1201940s1131950s1391960s1241970s791980s981990s1272000s1892010s4922020s394

Theodor by state

Where Theodor concentrates geographically — total births since 1884

Geographically diffuse
Top 8 states by recorded births for the name Theodor
Rank State Visual share Births Share of total
#1 California
122 5.7%
#2 New York
80 3.7%
#3 Texas
31 1.4%
#4 Illinois
21 1.0%
#5 Washington
21 1.0%
#6 Pennsylvania
16 0.7%
#7 Minnesota
7 0.3%
#8 Colorado
5 0.2%
California share of Theodor's total US births 5.7%
Even split

122 of 2,140 births nationwide. Compared to a flat distribution across 12 reporting states.

Theodor appears in 12 states. Explore state details →

Frequently Asked Questions

How popular is the name Theodor?
2,140 babies have been named Theodor since 1884. It currently ranks #2095 among boys. The peak year was 2022 with 88 births.
When was Theodor most popular?
Theodor was most popular in the 2010s decade with 492 total births. The single peak year was 2022.
Where is Theodor most popular?
The top states for the name Theodor are California (122 births), New York (80 births), Texas (31 births).
How long has the name Theodor been used?
Theodor has been recorded in Social Security data since 1884, spanning 141 years of data through 2024.
What names are similar to Theodor?
Names with a similar sound or spelling include Theodore, Theo, Theron, Theadore, and 4 more. These share a common prefix and are also used for boys.

Keep exploring Theodor

Nearby Names Like Theodor

Names with a similar sound, spelling, or feel to Theodor

Names with a similar popularity rank to Theodor

Baby Name Guides

Learn more about naming trends and how to use data to choose a name

Explore more names

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, 1884–2024 (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.