Seo: meaning, origin & popularity

Meaning & origin

Where it comes from

Seo comes from Korean.

How it developed

From Korean ^서(徐).

The story

Published U.S. birth records include this spelling as early as 2023. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Seo through the years

Babies since 1880: 5; 5 boys · 0 girls
Most popular year: 2023; 5 babies
2025: 0; Outside the ranked list
2021–25 vs 2016–20: —; Too few births to compare

Seo in U.S. Social Security birth records, 2023–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for boys is 5 in 2023. Later missing counts do not mean the name went unused. Published U.S. population figures for this spelling include 304 as a first name in 2020; 7,892 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Seo’s family of names

In English usage, Seo as a surname shares a linguistic root with XU. In Breton usage, Seo has a related form in Seva. In English usage, Seo as a surname has a related form in SUH.

Walk Seo’s family in the name graph

Inner ring: spellings · middle: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Around the world

Seo has relatives in 3 languages. Lines run from its Korean roots to each of them.

4 related names in 3 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Dots on the border stand for languages further away. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Nicknames & forms 2

Diminutives, pet forms, short forms and variants used alongside the name.

Spellings & scripts 1

The same name written differently, including transliterations into other scripts.

瀬尾original script · Japanese

Across languages 3

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love Seo, these share its style, era, origin or sound, from outside its own family.

Japanese · Modern

Sibling ideas

Names that share Seo’s feel without repeating its first letter or rhyming with it.

A brother for Seo

A sister for Seo

Your shortlist

Seo