Boys' name · since 1884

Theodor

Theodor has 2,216 recorded births since 1884 in federal Social Security data, most heavily in 2022 -- full year-by-year trend, decade aggregates, and state rankings follow.

#2101
among boys today
2,216
born since 1884
2010s
peak decade
85%
more common than other boys

Theodor currently ranks #2101 among boys' names in America, with 2,216 babies recorded since 1884.

Theodor has 2,216 recorded births among boys since 1884, per the U.S. Social Security Administration, ranked #2101 as of the latest data, more common than 85% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1884 to 2025.

  • #2101 among boys today
  • 2,216 born since 1884
  • 2010s peak decade
  • 85% more common than other boys

Data updated Jun 2026

The verdict

Theodor is currently the #2101 boys' name in America, more common than 85% of boys - 2,216 born since 1884, peaking in the 2010s.

#2101
among boys today
2,216
born since 1884
2010s
peak decade
85%
more common than other boys

Theodor vs. every other boys name in current SSA rankings

0%100%Median name50%85.3%
Theodor vs. every other boys name in current SSA rankings
#2101
of 14,294 boys in use

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

2010s
Peak decade

22% 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.

How Theodor compares

2,216 Top 20% higher than 80% of 14,294 names currently given to boys

Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Theodor's all-time total is 6x the median boys name, and Liam still leads by a wide margin.

Metric Theodor Median boys name (Elchonon) #1 boys name (Liam)
All-time total births 2,216 367 358,536
Peak-year births 88 23 22,252

Theodor's usage pattern, beyond the headline number

Theodor splits its recorded history at 1966: 68% of all births land in the more recent half, 32% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1884 (5 births) -- compare that against the 2022 peak of 88 for a sense of just how much the name's popularity has swung.

Theodor at a glance

Outside the top 1,000

Total births

2,216

Since 1884

142 years of records

Peak year

2022

88 births that year

Strongest decade: 2010s

Current rank

#2,101

Among boys

As of 2025

Active since

1884

Recorded for 142 years

Last year on file: 2025

Theodor popularity over time

Annual U.S. births registered with the Social Security Administration · 1884–2025

Outside the top 1,000
Peak year (2022)
88
Annual births at peak, across 142 years of records
020406080100 188419251940195519701988200320182025 76

Theodor by decade

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

2010s was Theodor's strongest decade.

492 babies received the name during that ten-year window, about 22% of all-time use.

Theodor births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 492 births (22% of all-time use).

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

How Theodor compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Theodor's total volume

Theodor vs 15 similarly-sized boys names

Theodor vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15%20%25% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Theodor
Theodor vs 15 similarly-sized boys names

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
130 5.9%
#2 New York
85 3.8%
#3 Texas
36 1.6%
#4 Illinois
21 0.9%
#5 Pennsylvania
21 0.9%
#6 Washington
21 0.9%
#7 Florida
10 0.5%
#8 Massachusetts
10 0.5%
California share of Theodor's total US births 5.9%
Even split

130 of 2,216 births nationwide. Compared to a flat distribution across 13 reporting states.

Theodor appears in 13 states. Explore state details →

Frequently Asked Questions

How popular is the name Theodor?
Since 1884, Social Security records show 2,216 babies named Theodor. Today it holds rank #2101 among boys. Its busiest year on record 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 (130 births), New York (85 births), Texas (36 births).
How long has the name Theodor been used?
Theodor has been recorded in Social Security data since 1884, spanning 142 years of data through 2025.
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.

What to do with Theodor's data

  • Theodor's usage has stayed within range of its 2010s decade-level peak (492 total births) through the 2020s (470) -- a comparatively stable name, not a fading trend.
  • California records the most Theodors (130 births) -- see the full state breakdown if geography matters to your decision. California names
  • 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, 1884–2025 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Theodor: #2101 Boys' Name - 2,216 Births, Peak 2022." NameAlmanac. Accessed via https://namealmanac.com/name/theodor. 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 Theodor 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.