Given name & surname

Sian

“God is gracious”

Sian is a form of Jane. In Hebrew use, Jane carries the interpretation “God is gracious.”

Original WelshSiân

Meaning & origin

What it means

In Welsh use, Sian carries the interpretation “God is gracious.” Sian is a form of Jane. In Hebrew use, Jane carries the interpretation “God is gracious.”

Combines direct and name-family evidence

Where it comes from

An origin associated with this spelling is Welsh.

How it developed

Sian is used as a form of Jane.

The story

Published U.S. birth records include this spelling as early as 1962. This is the earliest published observation available here, rather than a date for the name’s origin. Sian is a form of Jane. The history of Jane gives this family its wider story. Lady Jane Grey is one of the name’s historical bearers. In fiction, Charlotte Brontë’s Jane Eyre gave it a lasting nineteenth-century association; the novel appeared in 1847.

Combines direct and name-family evidence

Sian through the years

Babies since 1880
1,030
172 boys · 858 girls
Most popular year
2002
36 babies
2025
31
#4,123 for boys · #16,925 for girls
2021–25 vs 2016–20
+8%
Steady
Boys Girls
05101520198020002025Highest share 1974Boys 15Girls 3.1
Sian in U.S. Social Security birth records, 1962–2025, per million births of each sex. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

Where it’s given

Most at home inFlorida
FewerMore, relative to births Not published
2025 births by state of birth. Tiles are equal-sized so small states stay visible. Highest rates: Florida (5).

By the numbers

In 2025, this name appeared in 26 U.S. birth records for boys, ranking No. 4,123 among boys’ names. Average annual use for boys was 65.9% higher in 2021–2025 than in 2016–2020. It also appeared in 5 birth records for girls in 2025. In 2025, Florida had the largest reported state-level birth count for boys with this name (5). Published U.S. population figures for this spelling include 1,525 as a first name in 2020; 758 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Sian’s family of names

In English usage, Sian shares an earlier linguistic root with Jean. Sian is a form of Jane. In English usage, Sian shares an earlier linguistic root with Shawn.

Walk Sian’s family in the name graph

SianSyanΣιάνSiannaSianaSioneSianeSiannSianneSianyaSianiaShawnXianSiân賢Xián

Inner ring: spellings · middle: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Around the world

Sian has relatives in 4 languages. Lines run from its Welsh roots to each of them.

Welsh

Welshwhere Sian comes from · 1 name

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Similar names

If you love Sian, these share its style, era, origin or sound, from outside its own family.

Gaelic · Shared

Shea

“of admirable character” · “from the fairy palace”

52UncommonRising

36% boys · 64% girls

Modern

Prestyn

“from the priest's town”

25RareCooling

61% boys · 39% girls

Welsh · Modern

Eres

“an admirable woman”

13Very rare

32% boys · 68% girls

Welsh · Modern

Eirian

“one who is bright and beautiful”

13Very rare

78% boys · 22% girls

Modern

Jaylin

“one who is calm; a healer” · “one who heals others; one who is tranquil”

49UncommonEasing

38% boys · 62% girls

Modern

Kamaree

23RareEasing

66% boys · 34% girls

English · Royal

Wynn

“one who is fairskinned” · “a beloved friend”

48UncommonRising fast

49% boys · 51% girls

Irish · Shared

Kasey

“a vigilant woman” · “vigilant, wakeful”

51UncommonSteady

44% boys · 56% girls

Sibling ideas

Names that share Sian’s feel without repeating its first letter or rhyming with it.

A brother for Sian