# Thornbury (surname)

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

A habitational surname from Old English.

| Field | Value |
|---|---|
| Origin | English |
| Type | place, taken from where an ancestor lived or came from |
| People in the US (2010 Census) | 552 |
| US rank (2010) | 39,773 of 162,253 |
| How often | about 1 in every 559,322 people |
| Change since 2000 | -3.0% (569 in 2000) |
| Pronunciation | not recorded |
| Variant spellings | Thornberry |

## Etymology

From Old English þorn (“thorn”) + byriġ, the dative case of burg (“fortified place”).

## Who carries it

Share of people named Thornbury 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) | 96% |
| American Indian and Alaska Native | 1.8% |
| Two or more races | 1.1% |

## Similar surnames

Thornberry, Thornburgh, Thornburg, Trimble, Turnbull, Tremblay, Trombley, Trump, Trumble, Terranova, Turnbow, Trumbull.

## 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.