Baby Names US
boys' name ★ peaked 2022

Poseidon

Meaning From Ancient Greek Ποσειδῶν (Poseidôn) Gender Boy Rank 2025 #4,668 Trend ↓ Falling 29%

From Ancient Greek Ποσειδῶν (Poseidôn).

Rank 2025
#4,668
among boys · ↑1,170 vs 2024
Babies in 2025
22
named Poseidon
How common
1 in 77,640
boys born in 2025
Peak year
2022
34 babies
All-time total
344
#9,851 all-time among boys
First recorded
2010
in Social Security records

Poseidon popularity over time

344 babies have been named Poseidon since 2010, 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
0.010.010.020.0218801900192019401960198020002020Peak 2022Boys

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 – – – –
1890s – – – –
1900s – – – –
1910s – – – –
1920s – – – –
1930s – – – –
1940s – – – –
1950s – – – –
1960s – – – –
1970s – – – –
1980s – – – –
1990s – – – –
2000s – – – –
2010s 192 19 – #3,616
2020s (to 2025) 152 25 +32% #3,449

Where Poseidon is heading

A five-year projection from the recent trend in births per 1,000 boys (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 boys Implied rank
2026 21 0.01 outside top 500
2027 20 0.01 outside top 500
2028 19 0.01 outside top 500
2029 19 0.01 outside top 500
2030 18 0.01 outside top 500

The story of Poseidon

Poseidon is rare for boys in the United States, ranked #4,668 in 2025 with 22 babies given the name. It is currently rising compared with a decade ago.

Since 2010, 344 American babies have been named Poseidon. 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 Poseidon stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Poseidon?

The median living Poseidon is about 6 years old; half are between 3 and 10. An estimated 300 people named Poseidon are alive in the United States today.

median 6 020406080100

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

Poseidon year by year

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

Year Boys Boys rank
2025 22 #4,668
2024 16 #5,838
2023 21 #4,849
2022 34 #3,449
2021 32 #3,558
2020 27 #3,895
2019 31 #3,616
2018 28 #3,863
2017 19 #5,067
2016 27 #3,962
2015 21 #4,665
2014 17 #5,425
2013 16 #5,585
2012 14 #6,227
2011 10 #7,929
2010 9 #8,617
2009 – –
2008 – –
2007 – –
2006 – –
2005 – –
2004 – –
2003 – –
2002 – –
2001 – –
2000 – –
1995 – –
1990 – –
1985 – –
1980 – –
1975 – –
1970 – –
1965 – –
1960 – –
1955 – –
1950 – –
1945 – –
1940 – –
1935 – –
1930 – –
1925 – –
1920 – –
1915 – –
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Frequently asked questions

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

How old is the average Poseidon?

The median living Poseidon is about 6 years old. Half of all living Poseidons are between 3 and 10 years old.

How many people named Poseidon are alive today?

An estimated 300 people named Poseidon are alive in the United States, based on 344 recorded births and Social Security life tables.

What does the name Poseidon mean?

From Ancient Greek Ποσειδῶν (Poseidôn).

How popular is the name Poseidon in 2025?

Poseidon ranked #4,668 among boys' names in the United States in 2025, with 22 babies given the name, according to Social Security Administration data.

How many people are named Poseidon?

344 babies have been named Poseidon in the United States since 2010, based on Social Security card applications.

When was the name Poseidon most popular?

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

Is Poseidon a boy or girl name?

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

Is the name Poseidon rising or falling?

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

Will Poseidon become more popular?

Poseidon is trending downward. If the recent trend holds, we project roughly 18 boys named Poseidon in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Poseidon

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

Compare Poseidon with similar names → More names starting with P →