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Home › Baby Names Directory › Sianna

Sianna

♀ Girl

Pronounced SYAN-na /ˈsjən.næ/Medium

Meaning: Modern elaboration of Siân, the Welsh form of Jane/Jehanne, from Hebrew via 'God is gracious'. Sometimes also linked to Sienna as a spelling variant.Low

In 30 seconds: Sianna is a modern elaboration of Siân, the Welsh form of Jane, ultimately carrying the sense 'God is gracious'.
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Origin MediumWelsh, English
MeaningModern elaboration of Siân, the Welsh form of Jane/Jehanne, from Hebrew via 'God is gracious'. Sometimes also linked to Sienna as a spelling variant.
U.S. rank (2025)#2152 ↘ Falling
2025 U.S. births87 girls (0.01% of U.S. girls)
Peak year2024
Total births (all-time)≈ 2,052

Popularity in the U.S. · SSA data

peak 202419782025

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

The record builds Sianna from Siân, the Welsh equivalent of Jane or Jehanne, which traces back through Hebrew to the meaning 'God is gracious'. An added -anna ending dresses up the short Welsh original. The data also notes it is sometimes read as a spelling variant of Sienna.

The result keeps the Welsh root while gaining a fuller, more flowing three-syllable sound. Its overlap with Sienna means it can be heard two ways depending on the listener.

Did you know? The meaning usually attached to Sianna is 'origin uncertain', and that core idea is what gives the name most of its long-term appeal.
Overall data confidence 62%
Behind the Name - Sianna — etymology, usage, pronunciation, and related formsU.S. Social Security Administration — 2024 popularity rank and count supplied in the batch input CSV

Variations

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Nicknames

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If you like Sianna…

Sienna— The record notes Sianna is sometimes taken as a variant of it.
Jane— The English equivalent of Siân that shares Sianna's underlying meaning.
Dana— echoes that soft -na sound
Donna— another English name
Gina— shares Sianna's English roots

Explore names like Sianna

By themeenglishliterature
By meaningGod / DivineGrace

All themes →All meanings →All origins →

Frequently Asked

What does the name Sianna mean?

Sianna is usually explained as meaning 'origin uncertain' and is most often linked with Literature tradition.

How do you pronounce Sianna?

It's commonly said SYAN-na /ˈsjən.næ/.

Is Sianna a boy or girl name?

In this batch and in recent U.S. usage data, Sianna is used as a girl name.

How popular is Sianna?

In 2024, Sianna ranked #2003 in the U.S. for girls, with 98 births recorded.

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