Brett Cassidy

Name meaning, origin and global statistics

Brett Cassidy — from Brittany
123K People worldwide
United States Most common in
1970s Peak popularity
Gender
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Brett Cassidy 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 Cassidy: Cassidy (Irish: Ó Caiside / Ó Casaide) is a common Irish surname and is sometimes used as a given name. The surname translates to "descendant of Caiside". Variations include: Cassady, Cassiday, Cassedy, Casadei and Cassedey. The family was originally a Munster sept called Uí Chaisín but in the 12th century a branch moved to Devenish Island in County Fermanagh, where they became a medical and poetic family, hereditary physicians to the Maguires. 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: Cassidy

Irish

Cassidy (Irish: Ó Caiside / Ó Casaide) is a common Irish surname and is sometimes used as a given name. The surname translates to "descendant of Caiside". Variations include: Cassady, Cassiday, Cassedy, Casadei and Cassedey. The family was originally a Munster sept called Uí Chaisín but in the 12th century a branch moved to Devenish Island in County Fermanagh, where they became a medical and poetic family, hereditary physicians to the Maguires.

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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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Notable People Named Brett Cassidy

People listed above share this name. Listed for informational purposes only. Source: Wikipedia.

Numerology

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

1
Expression Number

Leadership and independence. This number suggests a self-reliant, ambitious and pioneering personality that forges its own path.

6
Soul Urge Number

Nurturing and responsibility. Associated with care, family values and a strong sense of duty towards loved ones.

4
Personality Number

Stability and hard work. Represents practicality, reliability and dedication — someone who builds solid foundations.

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 Cassidy?
The surname Cassidy originates from Irish. Cassidy (Irish: Ó Caiside / Ó Casaide) is a common Irish surname and is sometimes used as a given name. The surname translates to "descendant of Caiside". Variations include: Cassady, Cassiday, Cassedy, Casadei and Cassedey. The family was originally a Munster sept called Uí Chaisín but in the 12th century a branch moved to Devenish Island in County Fermanagh, where they became a medical and poetic family, hereditary physicians to the Maguires.
What are the origins of the name Brett Cassidy?
The name Brett Cassidy combines two different traditions: the first name Brett has French roots, while the surname Cassidy originates from Irish.
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