Sian

Sian: name meaning, origin and popularity

Unisex nameWelsh origin

Pronunciation (IPA): /ʃɑːn/ · /ʃɑn/

Meaning and origin of Sian

  • A female given name from Welsh [in turn from Hebrew].

Etymology

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.

How popular is Sian?

31U.S. babies in 2025
#2675peak rank (1974)
1,030babies since 1880

Since 1880, 858 girls and 172 boys in the U.S. have been named Sian (83% girls). Its highest rank for girls was #2675 in 1974. Its highest rank for boys was #4123 in 2025. In 2025, 31 babies were given the name, outside the top 1,000.

1880192019602000202536 peak/yr
U.S. births per year with this name, 1880–2025 (SSA)

Names similar to Sian

Names that start with the same letters, most popular first.

More Welsh unisex names

See all Welsh names →

Sibling name ideas for Sian

Sister and brother names that share Sian's Welsh roots and are still in the U.S. top 1,000.

Sian FAQ

What does the name Sian mean?

A female given name from Welsh [in turn from Hebrew]. 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.

What is the origin of the name Sian?

Sian is listed as a name of Welsh origin.

How popular is the name Sian?

Since 1880, 858 girls and 172 boys in the U.S. have been named Sian (83% girls). Its highest rank for girls was #2675 in 1974. Its highest rank for boys was #4123 in 2025. In 2025, 31 babies were given the name, outside the top 1,000.

Is Sian a boy or girl name?

Sian is used for both boys and girls in the U.S. (858 girls and 172 boys since 1880).

Popularity data: U.S. Social Security Administration baby name data, 1880–2025 (names given to 5+ babies per year). Origin and etymology text: Wiktionary, available under CC BY-SA 4.0.