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
Where it’s given
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.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Sian has relatives in 4 languages. Lines run from its Welsh roots to each of them.
Welshwhere Sian comes from · 1 name
Nicknames & forms 8
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 2
The same name written differently, including transliterations into other scripts.
Across languages 25
Equivalents and cognates in other languages, plus older forms it grew from.
- Siânsource · Welsh
- Janedoublet · English
- Joannadoublet · English, Latin
- Joandoublet · English
- Shanedoublet · English
- Shawndoublet · English
- Johannadoublet · English
- Jeandoublet · English
Show 17 moreShow fewer
- Ivanadoublet · English
- Janadoublet · English
- Juanadoublet · English
- Siobhandoublet · English
- Shaundoublet · English
- Janicedoublet · English
- Joannedoublet · English
- Jeannedoublet · English
- Xianequivalent
- Sheenadoublet · English
- Shaunadoublet · English
- Janisdoublet · English
- Shawnadoublet · English
- Shavonnedoublet · English
- Jendoublet · English
- 賢equivalent
- Xiánequivalent
People named Sian
- Sian HederAmerican writer and filmmaker (born 1977)
- Sian ProctorAfrican American explorer, scientist, STEM communicatorborn 1970
- Sian EliasNew Zealand judge, and 12th Chief Justice of New Zealandborn 1949
- Sian CliffordEnglish actressborn 1982
- Sian Massey-EllisSoccer officialborn 1985
- Siân ThomasBritish actressborn 1953
- Sian BlakeBritish actor (1972-2015)
- Sian WilliamsWelsh rugby union playerborn 1990
- Sian EvansWelsh singerborn 1971
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Sian, these share its style, era, origin or sound, from outside its own family.
Shea
“of admirable character” · “from the fairy palace”
36% boys · 64% girls
Prestyn
“from the priest's town”
61% boys · 39% girls
Eres
“an admirable woman”
32% boys · 68% girls
Eirian
“one who is bright and beautiful”
78% boys · 22% girls
Jaylin
“one who is calm; a healer” · “one who heals others; one who is tranquil”
38% boys · 62% girls
Kamaree
66% boys · 34% girls
Wynn
“one who is fairskinned” · “a beloved friend”
49% boys · 51% girls
Kasey
“a vigilant woman” · “vigilant, wakeful”
44% boys · 56% girls