Name Awesome

Seo

Boys' name

Variant of Seva

Seo has been given to 5 babies in the U.S. since 2023. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2023, with 5 recorded.

Babies named Seo, 2023

1 in 663,000

Seo over time, 1880–2025

Boys
024618801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Seo: meaning, origin, and history

Variant of Seva

Deeper origin not confirmed in the cited records

What Seo means

Seo is a variant of Seva.

Origin, language, and formation

Seo is used in Breton.

Related names and everyday forms

Related names include Seva.

American usage and historical context

In the United States, 5 boys were recorded with the name Seo between 2023 and 2023. Its highest annual count was 5 in 2023; its best national rank was #13,838 in 2023.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Seo?

Seo had fewer than 5 recorded uses in 2025, so these figures use 2023, the last year it was published.

Among all babies, 2023
1 in 663,000
5 of 3,314,783 births
Among boys only
1 in 342,000
<0.01% of boys
Rank, 2023
Unranked
Fewer than 5 uses
Coin-flip room size
459,528 kids
Even odds of a second one

Where Seo sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2023 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 459,528 children born in 2023 and it's an even bet that one of them is another Seo. In a class of 30 the chance is Under 1%.

When Seos were born

Half of everyone ever recorded as Seo was born before 2023 — so the typical Seo is around 2 today.

Median birth year
2023
About 2 years old
Biggest decade
2020s
100.0% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
5
People you could plausibly meet
Choose a decade

2020s — 100.0% of all recorded uses (5).

Is Seo rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 2023 (5)
Years since peak
2
Years
Year-to-year steadiness
Not enough data
Too few years
Best rank ever
#13,838
2023

Seo around the world

Where Seo ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2004–2004
    #3,197
    in 2004
  • South Australia
    2008–2011
    #514
    in 2011

Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.

Seo by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#13,838
2023
Peak year
2023
5 that year
First recorded
2023
Last recorded
2023
All-time count
5
Count in 2025
Under 5

Names similar to Seo

Matched on shared beginnings and endings, similar length, and comparable popularity.

SeoulSeojunSeonMaseoEliseo

Sibling names for Seo

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Seo

Top names of 2023, Seo's peak yearThe 2020s in fullOther names that peaked in 2023Boys' names starting with SBreton Boy NamesBreton Names