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Sian
Pronounced SHAHN /ˈʃɑːn/Medium
Meaning: The Welsh form of Jane (from John), 'God is gracious.' Written Sian (Siân), it is pronounced 'SHAHN,' which we note. A classic Welsh name.Medium
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 is the Welsh form of Jane (from John), 'God is gracious.' Pronounced 'SHAHN' rather than as spelled, which we note, it is a well loved name in Wales — rare in the U.S. (said 'SHAHN').
In the U.S. it appears rarely, more familiar in Wales. Rare, classic, and lilting.
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Frequently Asked
What does the name Sian mean?
Sian is the Welsh form of Jane (from John), meaning 'God is gracious.'
How do you pronounce Sian?
It's said SHAHN /ˈʃɑːn/ — one syllable, not as spelled, which we note.
Is Sian a boy or girl name?
Sian is a girl's name.
How popular is Sian?
Sian is rare in the U.S. and more familiar in Wales.