Brett Oneil

Name meaning, origin and global statistics

Brett Oneil — from Brittany
123K People worldwide
United States Most common in
1970s Peak popularity
Gender
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Brett Oneil is a name that combines French origins. The first name Brett is a masculine given name of French origin. Brett is an Irish and English surname of Norman origin. It derives from an Old French ethnic name denoting to a Breton person. Bretts arrived in both Ireland and England via their respective Norman conquests. Irish Bretts are most numerous in County Tipperary, County Waterford and County Sligo. Brett is de Breit in the Irish language. The given name Brett derives from the surname and can be either masculine or feminine. The surname Oneil: The O'Neill dynasty (Irish: Ó Néill) are a lineage of Irish Gaelic origin that held prominent positions and titles in Ireland and elsewhere. As kings of Cenél nEógain, they were historically one of the most prominent family of the Northern Uí Néill, along with the O'Donnell dynasty. Some O'Neills state that their ancestors were kings of Ailech during the Early Middle Ages, as descendants of Niall of the Nine Hostages. Two of their progenitors were High Kings of Ireland: Niall Glúndub (from whom they take their name) and Domnall ua Néill. Brett is a distinctive first name, carried by approximately 123K people globally, with the highest concentration in United States. The name Brett reached peak popularity in the 1970s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Brett

Meaning: from Brittany

French

Brett is an Irish and English surname of Norman origin. It derives from an Old French ethnic name denoting to a Breton person. Bretts arrived in both Ireland and England via their respective Norman conquests. Irish Bretts are most numerous in County Tipperary, County Waterford and County Sligo. Brett is de Breit in the Irish language. The given name Brett derives from the surname and can be either masculine or feminine.

Surname: Oneil

Celtic

The O'Neill dynasty (Irish: Ó Néill) are a lineage of Irish Gaelic origin that held prominent positions and titles in Ireland and elsewhere. As kings of Cenél nEógain, they were historically one of the most prominent family of the Northern Uí Néill, along with the O'Donnell dynasty. Some O'Neills state that their ancestors were kings of Ailech during the Early Middle Ages, as descendants of Niall of the Nine Hostages. Two of their progenitors were High Kings of Ireland: Niall Glúndub (from whom they take their name) and Domnall ua Néill.

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Geographic Distribution

The first name Brett is distributed across the globe, with the highest concentrations in the following countries:

United States 51%
United Kingdom 27%
Australia 12%
Canada 10%

Popularity Over Time

Popularity of the name Brett by decade, based on birth registration data:

1900s
1910s
1920s
1930s
1940s
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
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Numerology

According to Pythagorean numerology, each letter in a name carries a numerical value. Here are the key numbers for Brett Oneil:

3
Expression Number

Creativity and self-expression. Associated with artistic flair, optimism and sociability — a natural communicator.

7
Soul Urge Number

Wisdom and introspection. A deep, analytical mind drawn to philosophy, spirituality and the search for truth.

5
Personality Number

Freedom and adaptability. A dynamic, versatile personality that embraces change and seeks new experiences.

Numerology is a cultural tradition for exploring symbolism in names. Results are for entertainment purposes.

Frequently Asked Questions

What is the origin of the first name Brett?
The first name Brett originates from French. Brett is an Irish and English surname of Norman origin. It derives from an Old French ethnic name denoting to a Breton person. Bretts arrived in both Ireland and England via their respective Norman conquests. Irish Bretts are most numerous in County Tipperary, County Waterford and County Sligo. Brett is de Breit in the Irish language. The given name Brett derives from the surname and can be either masculine or feminine.
When was Brett most popular?
The name Brett reached its peak popularity during the 1970s.
What is the origin of the surname Oneil?
The surname Oneil originates from Celtic. The O'Neill dynasty (Irish: Ó Néill) are a lineage of Irish Gaelic origin that held prominent positions and titles in Ireland and elsewhere. As kings of Cenél nEógain, they were historically one of the most prominent family of the Northern Uí Néill, along with the O'Donnell dynasty. Some O'Neills state that their ancestors were kings of Ailech during the Early Middle Ages, as descendants of Niall of the Nine Hostages. Two of their progenitors were High Kings of Ireland: Niall Glúndub (from whom they take their name) and Domnall ua Néill.
What are the origins of the name Brett Oneil?
The name Brett Oneil combines two different traditions: the first name Brett has French roots, while the surname Oneil originates from Celtic.
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