# Ainsworth (surname)

Source: https://namelineage.com/surname/ainsworth/  
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) | 9,149 |
| US rank (2010) | 3,874 of 162,253 |
| How often | about 1 in every 33,746 people |
| Change since 2000 | +0.5% (9,102 in 2000) |
| Pronunciation | /ˈeɪnz.wɝθ/, 2 syllables |
| Variant spellings | none recorded |

## Etymology

From Old English Ægen + -es and worþ or worð, meaning "Aegen's enclosure".

## Who carries it

Share of people named Ainsworth 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) | 90% |
| Black (not Hispanic) | 4.1% |
| Hispanic or Latino (any race) | 3.0% |
| Asian and Pacific Islander | 0.6% |
| American Indian and Alaska Native | 0.8% |
| Two or more races | 1.4% |

## Where

Wikidata records people named Ainsworth in the United States, Canada and the United Kingdom.

## People named Ainsworth

- Mary Ainsworth, American-Canadian psychologist & scholar
- Lexi Ainsworth, American actress
- Helen Ainsworth, American actress (1901-1961)
- Kacey Ainsworth, actress
- Will Ainsworth, American politician
- Kurt Ainsworth, baseball player

## Similar surnames

Ansari, Anger, Ankrom, Anker, Anzures, Ancrum, Angers, Angier.

## 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.