Si-woo

/S-IH-W-OW-OW/

Boy ChristianBuddhist Korean origin Korean

Korean 시 (si — poem) + 우 (woo — universe).

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Quick — what every Christian parent asks about Si-woo:

The answer to all of it — NameRoot Si-woo, scored for your family & heritage — free.
The one thing this page can't tell you

How well does Si-woo fit your family?

This page tells you what Si-woo means. The app tells you whether it's right for your baby — scored against your family & your heritage, and your baby's birth details.

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NameRoot scoring a name across six signals — phonetics, numerology, birth star, culture, meaning and uniqueness

Six signals — scored for your family & heritage, not in the abstract:

🌟
Birth starAuspicious for your baby?
🔢
NumerologyDestiny 9, matched to you
🔊
PhoneticsSounds right with siblings?
💗
MeaningThe Wisdom cluster
🛕
HeritageWill grandparents approve?
UniquenessCommon, or one-of-a-kind?

Meaning & origin

Yes — Si-woo is a Christian boy name of Korean origin, meaning “Korean 시 (si — poem) + 우 (woo — universe).”. It also appears in Buddhist tradition.

Si-woo is a boy's name of Korean origin, traditionally used in Christian families. The name means "Korean 시 (si — poem) + 우 (woo — universe)." and belongs to the Wisdom cluster — names meaning knowledge, insight, and thoughtful presence.

Beyond its Christian heritage, Si-woo is also used in Buddhist traditions, reflecting how this name has traveled across cultures.

Common among Korean families, Si-woo carries cultural weight that goes beyond its dictionary definition — it's a name with a story and a community.

The patron saint & feast day behind Si-woo

Many Christian names carry a patron saint and a feast day (name day) — a tradition of choosing a name for the saint a child is born near, or one the family holds dear. Si-woo lives in this tradition of meaning and heritage.

An AI baby portrait and family score in the NameRoot app

NameRoot connects the dots. See Si-woo's patron saint, its feast day, and whether it aligns with your baby's birth — alongside its full family score.

See Si-woo's saint & feast day →

What does Si-woo's numerology say?

Numerology assigns each name a single-digit destiny number by summing its letter values. Different schools use different mappings — NameRoot computes both so you can see how Si-woo resonates in either tradition.

Pythagorean
9
compassion and humanitarian service
Chaldean
6
nurturing and family devotion

Si-woo's destiny number is 9 — but a number only matters in context. The app matches it to your family's own numbers for a real compatibility read. See Si-woo's full reading →

Does Si-woo go with your family's names?

Si-woo breaks into 5 sounds: /S-IH-W-OW-OW/. The real test isn't how it sounds alone — it's how it sounds beside the names already in your family: yours, your partner's, and any brothers or sisters. NameRoot scores that harmony, so Si-woo sits naturally next to a Mum and Dad like Michael & Anna, or a big sister named Gianna — no awkward clashes, no two names that blur together. Hear Si-woo beside your family's names →

Names similar to Si-woo

If Si-woo resonates with you, these names live in the same world — drawn from the same tradition, sharing the same meaning, or echoing a similar sound.

Explore more names

Keep exploring names like Si-woo — by tradition, by meaning, or by first letter.

Common questions about Si-woo

What does the name Si-woo mean?

Si-woo means "Korean 시 (si — poem) + 우 (woo — universe).." It is a boy name of Korean origin, traditionally used in Christian families.

Is Si-woo a boy or girl name?

Si-woo is most commonly used as a boy name.

What is the origin of the name Si-woo?

Si-woo is of Korean origin, used in Christian, Buddhist traditions, commonly among Korean families.

Is Si-woo a Christian name?

Yes. Si-woo is a boy name traditionally used in Christian families, of Korean origin. It also appears in Buddhist tradition.

What does Si-woo mean in Korean?

Si-woo originates from Korean, where it means "Korean 시 (si — poem) + 우 (woo — universe).."

What is the numerology of Si-woo?

Si-woo has a Pythagorean destiny number of 9 — compassion and humanitarian service.

See how Si-woo scores for your family

NameRoot is the only baby-name app that scores every name across 6 signals against your specific family context. Download free — Si-woo is waiting.

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