Baby Names US
boys' name ★ peaked 2022

Theon

Gender Boy · 2% girls Rank 2025 #5,367
Rank 2025
#5,367
among boys · ↓1,590 vs 2024
Babies in 2025
18
named Theon · -40% vs 2024
How common
1 in 94,893
boys born in 2025
Peak year
2022
34 babies
All-time total
429
#8,767 all-time among boys
First recorded
1924
in Social Security records

Theon popularity over time

429 babies have been named Theon since 1924, 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
0.010.010.020.0218801900192019401960198020002020BoysGirls
BoysGirls

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 Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – 5 5 1 – #4,893
1930s – 11 11 1 +120% #3,642
1940s – – – – – –
1950s – – – – – –
1960s – 16 16 2 – #3,090
1970s 9 41 50 5 +213% #3,494
1980s – 33 33 3 -34% #6,246
1990s – 19 19 2 -42% #7,198
2000s – 22 22 2 +16% #10,856
2010s – 130 130 13 +491% #3,990
2020s (to 2025) – 143 143 24 +83% #3,457

The story of Theon

Theon is rare for boys in the United States, ranked #5,367 in 2025 with 18 babies given the name. It is currently rising compared with a decade ago.

Since 1924, 429 American babies have been named Theon. Its peak came in 2022, when 34 newborns received the name, the signature sound of the 2020s.

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 Theon stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Theon?

The median living Theon is about 8 years old; half are between 3 and 28. An estimated 400 people named Theon are alive in the United States today.

median 8 020406080100

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

Theon year by year

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

Year Girls Girls rank Boys Boys rank
2025 – – 18 #5,367
2024 – – 30 #3,777
2023 – – 26 #4,204
2022 – – 34 #3,457
2021 – – 25 #4,222
2020 – – 10 #7,993
2019 – – 27 #3,990
2018 – – 14 #6,305
2017 – – 23 #4,449
2016 – – 16 #5,767
2015 – – 12 #7,026
2014 – – 11 #7,505
2013 – – 15 #5,890
2012 – – 12 #7,000
2011 – – – –
2010 – – – –
2009 – – 7 #10,856
2008 – – – –
2007 – – – –
2006 – – 5 #13,816
2005 – – – –
2004 – – – –
2003 – – – –
2002 – – – –
2001 – – 5 #12,147
2000 – – 5 #11,970
1995 – – – –
1990 – – – –
1985 – – 6 #6,460
1980 – – 5 #7,208
1975 – – – –
1970 9 #5,783 9 #3,494
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Famous people named Theon

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Theon of Alexandria Greek scholar and mathematician (c. 335–405) Antiquity
  2. 2 Theon of Smyrna 2nd century Greek mathematician and philosopher 70–135 · Antiquity

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Theon?

The median living Theon is about 8 years old. Half of all living Theons are between 3 and 28 years old.

How many people named Theon are alive today?

An estimated 400 people named Theon are alive in the United States, based on 429 recorded births and Social Security life tables.

How popular is the name Theon in 2025?

Theon ranked #5,367 among boys' names in the United States in 2025, with 18 babies given the name, according to Social Security Administration data.

How many people are named Theon?

429 babies have been named Theon in the United States since 1924, based on Social Security card applications.

When was the name Theon most popular?

Theon peaked in 2022, when 34 newborns received the name.

Is Theon a boy or girl name?

Theon is overwhelmingly a boy's name: 98% of babies with the name.

Is the name Theon rising or falling?

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

Who are famous people named Theon?

Well-known people named Theon include Theon of Alexandria (mathematician), Theon of Smyrna (mathematician).

Names like Theon

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

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