# Sian (surname)

Source: https://namelineage.com/surname/sian/  
Publisher: Name Lineage. Counts from the US Census Bureau; origin and etymology from Wiktionary; bearers from Wikidata. Data updated 2026-11-11.

A surname.

| Field | Value |
|---|---|
| Origin | not recorded |
| Type | not recorded |
| People in the US (2010 Census) | 588 |
| US rank (2010) | 37,792 of 162,253 |
| How often | about 1 in every 525,077 people |
| Change since 2000 | +20% (491 in 2000) |
| Pronunciation | /ʃɑn/, 2 syllables |
| Variant spellings | none recorded |

## 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.

## Who carries it

Share of people named Sian in the 2010 US Census by the Census's own race and ethnicity groups. The Census suppresses a share when the count behind it is small.

| Group | Share |
|---|---|
| White (not Hispanic) | 41% |
| Black (not Hispanic) | 2.0% |
| Hispanic or Latino (any race) | 19% |
| Asian and Pacific Islander | 34% |
| American Indian and Alaska Native | 0.8% |
| Two or more races | 2.5% |

## Similar surnames

Shin, Shan, Siano, Sion, Swan, Sain, Sinha, Sin, Saini, San, Sine, Sinn.

## How to read these numbers

A Census count is people alive and counted in 2010, not births, and names occurring fewer than 100 times are not published at all. Ethnicity shares are the Census's own categories.