boys' name ★ peaked 1927

Theadore

Gender Boy Rank 2025 #13,688

Spelling alteration of Theodore, from Ancient Greek Θεόδωρος (Theódōros).

Rank 2025
#13,688
among boys · ↓2,876 vs 2024
Babies in 2025
5
named Theadore
How common
1 in 341,615
boys born in 2025
Peak year
1927
91 babies
All-time total
4,005
#2,085 all-time among boys
First recorded
1880
in Social Security records

Theadore popularity over time

4,005 babies have been named Theadore since 1880, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.040.080.110.1518801900192019401960198020002020Peak 1905Boys

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Boys Per year Change Best rank
1880s 47 5 – #654
1890s 38 4 -19% #738
1900s 137 14 +261% #590
1910s 428 43 +212% #758
1920s 770 77 +80% #676
1930s 703 70 -9% #652
1940s 592 59 -16% #709
1950s 536 54 -9% #875
1960s 323 32 -40% #1,200
1970s 175 18 -46% #1,611
1980s 110 11 -37% #2,566
1990s 50 5 -55% #5,891
2000s 28 3 -44% #10,042
2010s 32 3 +14% #9,473
2020s (to 2025) 36 6 +87% #9,605

The story of Theadore

Theadore is rare for boys in the United States, ranked #13,688 in 2025 with 5 babies given the name. It is currently rising compared with a decade ago.

Since 1880, 4,005 American babies have been named Theadore. Its peak came in 1927, when 91 newborns received the name, the signature sound of the 1920s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Theadore stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Theadore?

The median living Theadore is about 67 years old; half are between 54 and 77. An estimated 1,500 people named Theadore are alive in the United States today.

median 67 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Theadore year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Boys Boys rank
2025 5 #13,688
2024 7 #10,812
2023 5 #13,978
2022 6 #12,162
2021 8 #9,605
2020 5 #13,850
2019 5 #13,932
2018 5 #13,892
2017 8 #9,597
2016 – –
2015 8 #9,473
2014 – –
2013 – –
2012 6 #12,135
2011 – –
2010 – –
2009 – –
2008 5 #14,390
2007 5 #14,191
2006 – –
2005 7 #10,042
2004 – –
2003 – –
2002 – –
2001 5 #12,145
2000 6 #10,238
1995 7 #7,720
1990 – –
1985 10 #4,308
1980 13 #3,415
1975 9 #3,924
1970 29 #1,611
1965 36 #1,291
1960 35 #1,357
1955 61 #966
1950 54 #946
1945 51 #897
1940 74 #709
1935 57 #832
1930 85 #680
1925 87 #696
1920 77 #752
1915 59 #790
1910 10 #1,110
1905 17 #590
1900 13 #731
1895 – –
1890 – –
1885 5 #1,086
1880 5 #1,045

Frequently asked questions

Quick answers about Theadore, drawn from the same Social Security data as the charts above.

How old is the average Theadore?

The median living Theadore is about 67 years old. Half of all living Theadores are between 54 and 77 years old.

How many people named Theadore are alive today?

An estimated 1,500 people named Theadore are alive in the United States, based on 4,005 recorded births and Social Security life tables.

What does the name Theadore mean?

Spelling alteration of Theodore, from Ancient Greek Θεόδωρος (Theódōros).

How popular is the name Theadore in 2025?

Theadore ranked #13,688 among boys' names in the United States in 2025, with 5 babies given the name, according to Social Security Administration data.

How many people are named Theadore?

4,005 babies have been named Theadore in the United States since 1880, based on Social Security card applications.

When was the name Theadore most popular?

Theadore peaked in 1927, when 91 newborns received the name.

Is Theadore a boy or girl name?

Theadore is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Theadore rising or falling?

Theadore is on the rise, noticeably more popular now than a decade ago.

Names like Theadore

Names that sound and feel close to Theadore: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Theadore with similar names → More names starting with T →