Sian

♂ Boy

Pronounced SHAHN /ˈʃɑn/Medium

Meaning: From the Welsh Sian — a Welsh form of Jane/Jean/John, from the Hebrew, 'God is gracious'; more often a girls' name; here for boys; routes layeredLow

In 30 seconds: God is gracious: Sian is Welsh. Crisp, classic, and warm (said 'SHAHN'). Used for both sexes.

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Origin LowWelsh

MeaningFrom the Welsh Sian — a Welsh form of Jane/Jean/John, from the Hebrew, 'God is gracious'; more often a girls' name; here for boys; routes layered

U.S. rank (2024)#8841 ↘ Falling

2024 U.S. births9 boys (0.00% of U.S. boys)

Peak year2021

Total births (all-time)≈ 146

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Sian comes from the Welsh Sian — a Welsh form of Jane/Jean/John, from the Hebrew, 'God is gracious'; more often a girls' name; here for a boy (slug distinguished; routes layered, which we note). A crisp, classic name (said 'SHAHN').

In the U.S. it appears in Welsh families. Rare, God-is-gracious at the root, and crisp.

Did you know? Sian is a Welsh form of Jane/John — Hebrew 'God is gracious' — more often a girls' name, here (also) for a boy (the routes are layered; said 'SHAHN').

Overall data confidence 30%

References — Sian — unisex; here boys'

Variations

SionShanSianne

Nicknames

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Famous Bearers

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If you like Sian…

Sion— a kin Welsh John form

Shaun— a sound-neighbor Shaun boys' name

Sean— a fellow Irish John form

Eirian— echoes that soft -an sound

Morgan— another Welsh name

Explore names like Sian

By themeuncertain unisex welsh

By meaningGod / Divine Grace

All themes →All meanings →All origins →

Frequently Asked

What does the name Sian mean?

Sian is a Welsh form of Jane/John — Hebrew 'God is gracious'; more often a girls' name; here for a boy. The routes are layered.

How do you pronounce Sian?

It's said SHAHN /ˈʃɑn/ — one syllable (the Welsh S+i as 'sh').

Is Sian a boy or girl name?

Sian is more often a girls' name; this page covers its use as a boy's name.

How popular is Sian?

Sian is a very rare name for boys in the U.S.