# Sydney (surname)

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

A surname from Old English, a spelling variant of Sidney.

| Field | Value |
|---|---|
| Origin | not recorded |
| Type | not recorded |
| People in the US (2010 Census) | 749 |
| US rank (2010) | 31,001 of 162,253 |
| How often | about 1 in every 412,210 people |
| Change since 2000 | +26% (593 in 2000) |
| Pronunciation | [ˈsɪd̥ni], 2 syllables |
| Variant spellings | Sidney, Sidny, Cidnee, Cidney, Cydni, Cydnee, Cydnie, Cydney, Sidnee, Sidneigh |

## Etymology

For the surname and given name, see Sidney. The cities in Australia and Canada are named after British politician Thomas Townshend, 1st Viscount Sydney (1733–1800).

## Who carries it

Share of people named Sydney 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) | 45% |
| Black (not Hispanic) | 44% |
| Hispanic or Latino (any race) | 3.7% |
| Asian and Pacific Islander | 3.5% |
| American Indian and Alaska Native | 0.7% |
| Two or more races | 3.1% |

## Where

Wikidata records people named Sydney in the United States.

## People named Sydney

- Robin Sydney, American actress

## Similar surnames

Sidney, Stone, Sutton, Stein, Steen, Stine, Seaton, Stamm, Stamey, Sitton, Sedano, Sweeten.

## 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.