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Home › Baby Names Directory › Sianne

Sianne

♀ Girl

Pronounced see-AN /siːˈæn/Low

Meaning: Sianne is an elaborated spelling of the Welsh name Sian, the Welsh form of Jane and Joan, ultimately from the Hebrew Yochanan, 'God is gracious'. In Welsh, Sian is said 'shahn', but the -anne American spelling is often read 'see-AN'; either way the meaning follows Jane.Low

In 30 seconds: Sianne is an elaborated form of the Welsh Sian, a form of Jane meaning 'God is gracious'. It stayed rare in American use (said see-AN).
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Origin LowWelsh
MeaningSianne is an elaborated spelling of the Welsh name Sian, the Welsh form of Jane and Joan, ultimately from the Hebrew Yochanan, 'God is gracious'. In Welsh, Sian is said 'shahn', but the -anne American spelling is often read 'see-AN'; either way the meaning follows Jane.
U.S. rank (2013)#16269 ↗ Rising
2013 U.S. births6 girls (0.00% of U.S. girls)
Peak year1998
Total births (all-time)≈ 95

Popularity in the U.S. · SSA data

peak 199819972013

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

Sianne is an elaborated spelling of Sian, the Welsh form of Jane and Joan from Hebrew Yochanan, 'God is gracious'. As an American given name it appeared only rarely, and pronunciation varies between the Welsh 'shahn' and an Anglicized 'see-AN'; the meaning stays with Jane.

It was never common, given to only about sixteen girls a year at its peak in the late nineteen-nineties. A girl named Sianne then is in her twenties today.

Did you know? Sianne dresses up the Welsh Sian, the Welsh answer to Jane and Joan; in Wales the base name is pronounced 'shahn', though American families often say it 'see-AN'.
Overall data confidence 38%
References - Sianne — Elaboration of Welsh Sian; form of Jane, 'God is gracious'

Variations

SianSiannaSiana

Nicknames

SiAnnie

Famous Bearers

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If you like Sianne…

Sian— the base Welsh name Sianne elaborates
Sianna— a close variant of the same name
Siana— a like Si- girls' name in sound
Rhian— a similar Welsh girls' name

Explore names like Sianne

By themerareheritagerespellingwelsh

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Frequently Asked

What does the name Sianne mean?

It elaborates the Welsh Sian, a form of Jane and Joan meaning 'God is gracious'.

How do you pronounce Sianne?

American families often say see-AN, two syllables; the Welsh base Sian is said 'shahn'.

Is Sianne a boy or girl name?

Sianne is used as a girl's name.

How popular is Sianne?

It was always rare in the United States, given to only about sixteen girls a year at its peak in the late nineteen-nineties.

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