# Bayliss (surname)

Source: https://namelineage.com/surname/bayliss/  
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 French.

| Field | Value |
|---|---|
| Origin | French |
| Type | not recorded |
| People in the US (2010 Census) | 2,168 |
| US rank (2010) | 13,926 of 162,253 |
| How often | about 1 in every 142,410 people |
| Change since 2000 | +3.3% (2,098 in 2000) |
| Pronunciation | /ˈbeɪlɪs/, 2 syllables |
| Variant spellings | Bailes, Bayles, Baylies, Baylis, Bayless |

## Etymology

From Old French bailis, inflection of bailif (“bailiff, officer in a court of law”).

## Who carries it

Share of people named Bayliss 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) | 87% |
| Black (not Hispanic) | 7.1% |
| Hispanic or Latino (any race) | 2.5% |
| Asian and Pacific Islander | 0.8% |
| American Indian and Alaska Native | 0.7% |
| Two or more races | 1.9% |

## Where

Wikidata records people named Bayliss in Australia.

## People named Bayliss

- Troy Bayliss, Australian motorcycle racer
- Lachlan Bayliss, Australian association footballer

## Similar surnames

Bliss, Bales, Bayless, Blais, Bailes, Bayles, Blass, Balas, Baylis, Balls, Black, Blake.

## 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.