How popular is the name Sian?

In 2025, 8 girls born in England and Wales were named Sian, ranking 3,035th. Its peak was 1997, with 760 births.

Is Sian a boy's or a girl's name?

Both. Of the 1,030 US babies named Sian since 1880, 83% were girls and 17% boys.

When was Sian most popular?

2006 in the United States, when 35 babies were named Sian, its highest rank at 4,252nd.

Is Sian also a surname?

Yes. Sian is used as a surname as well as a first name; its surname page has the origin and how many people carry it.

The first name Sian

A girl’s name from Welsh meaning “god is gracious”.

Pronounced /ʃɑn/ 2 syllables Female Also a surname

Meaning and origin

Welsh origin

Sian means “god is gracious” in Welsh.

An anglicization of Welsh Siân, ultimately from Latin Joanna, from Koine Greek Ἰωάννα (Iōánna), from Hebrew יוֹחָנָה (Yôḥānāh, literally “God is gracious”), the feminized form of יְהוֹחָנָן (Yəhōḥānān) which produced John and its many doublets. Doublet of Ivana, Jana, Jane, Janice, Janis, Jean, Jeanne, Jen, Joan, Joanna, Joanne, Johanna, Juana, Shavonne, Siobhan, Shane, Shaun, Shauna, and Sheena.

More names that mean grace.

From Wiktionary (CC BY-SA 4.0).

Popularity

Babies registered in England and Wales, 1996–2025

In 2025, 8 girls were named Sian, making it the 3,035th most popular girls’ name. It peaked in 1997, with 760 births (#72).

6,051

babies named Sian, 1996–2025

#3,035

rank in 2025

1997

peak year

Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Sian with other names.

Popularity in the United States

Babies named Sian at birth, 1880–2025

In 2025, 26 boys born in the United States were named Sian, the 4,123rd most popular boys’ name that year. It was used most in 2006, when 35 were.

GirlsBoys

1,030

babies named Sian since 1880

#4,123

rank in 2025

2006

peak year

US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.

Famous people named Sian

10 on Wikidata, most written-about first

Siân Phillips
British Actress, born 1933
Siân Héder
American writer and filmmaker (born 1977)
Sian Proctor
African American explorer, scientist, STEM communicator, born 1970
Siân Brooke
British actress, born 1980
Siân Berry
British politician (born 1974)
Sian Clifford
English actress, born 1982
Siân Thomas
British actress, born 1953
Sian Blake
British actor (1972-2015)
Siân James
British politician (born 1959)
Danielle Waterman
English rugby union footballer, born 1985

More Welsh girls’ names

All 78 names of Welsh origin

Questions

What does the name Sian mean?: Sian means “god is gracious” in Welsh.
What is the origin of the name Sian?: An anglicization of Welsh Siân, ultimately from Latin Joanna, from Koine Greek Ἰωάννα (Iōánna), from Hebrew יוֹחָנָה (Yôḥānāh, literally “God is gracious”), the feminized form of יְהוֹחָנָן (Yəhōḥānān) which produced John and its many doublets. Doublet of Ivana, Jana, Jane, Janice, Janis, Jean,…
How popular is the name Sian?: In 2025, 8 girls born in England and Wales were named Sian, ranking 3,035th. Its peak was 1997, with 760 births.
Is Sian a boy's or a girl's name?: Both. Of the 1,030 US babies named Sian since 1880, 83% were girls and 17% boys.
When was Sian most popular?: 2006 in the United States, when 35 babies were named Sian, its highest rank at 4,252nd.
How do you pronounce Sian?: Sian is /ʃɑn/, 2 syllables.
Is Sian also a surname?: Yes. Sian is used as a surname as well as a first name; its surname page has the origin and how many people carry it.