Given name & surname

Joo

Joo is a surname from Korean.

Original Korean주

Meaning & origin

Where it comes from

Joo comes from Korean.

Adapted from Wiktionary (CC BY-SA 4.0)

How it developed

From Korean 주.

Adapted from Wiktionary (CC BY-SA 4.0)

The story

Published U.S. birth records include this spelling as early as 1968. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Joo through the years

Babies since 1880
15
5 boys · 10 girls
Most popular year
1968
5 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
Boys Girls
01234198020002025Highest share 1968Boys 0.0Girls 0.0
Joo in U.S. Social Security birth records, 1968–2025, per million births of each sex. 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 1990. Later missing counts do not mean the name went unused. Published U.S. population figures for this spelling include 1,663 as a first name in 2020; 3,254 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.

Joo’s family of names

In English usage, Joo as a surname has a related form in JEW. In English usage, Joo as a surname was borrowed from the Korean form 주.

Walk Joo’s family in the name graph

JooJoóᠵᠣᠣJew주

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.

Nicknames & forms 1

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

Spellings & scripts 2

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

Across languages 1

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

Similar names

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

Korean

Jung

“a righteous man”

0Not recently recorded

50% boys · 50% girls

Japanese · Virtue

Toki

“one who grasps opportunity; hopeful” · “resembling a rabbit”

0Not recently recorded

48% boys · 52% girls

Korean

Soo

“having an excellent, long life”

0Not recently recorded

9% boys · 91% girls

Korean

Kang

“a healthy man”

0Not recently recorded

29% boys · 71% girls

Vietnamese · Literary

Kim

“as precious as gold”

29RareEasing

17% boys · 83% girls

Korean

Yun

“governor, official”

0Not recently recorded

25% boys · 75% girls

Korean

Joung

Joung is a surname from Korean.

No U.S. birth series

19% boys · 81% girls

Chinese

Jang

Jang is a surname from Korean, ultimately from Chinese.

No U.S. birth series

53% boys · 47% girls

Sibling ideas

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