Alistair Cassidy

Name meaning, origin and global statistics

Alistair Cassidy — defender of men
280K People worldwide
United Kingdom Most common in
1975s Peak popularity
Gender
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Alistair Cassidy is a name that combines Greek origins. The first name Alistair is a masculine given name of Greek origin. Scottish Gaelic form of Alexander (Greek Alexandros: defender of men). Common throughout the Scottish Highlands. 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. Alistair is a well-known first name, carried by approximately 280K people globally, with the highest concentration in United Kingdom. The name Alistair reached peak popularity in the 1975s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Alistair

Meaning: defender of men

Greek

Scottish Gaelic form of Alexander (Greek Alexandros: defender of men). Common throughout the Scottish Highlands.

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 Alistair is distributed across the globe, with the highest concentrations in the following countries:

United Kingdom 83%
Australia 11%
Canada 6%

Popularity Over Time

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

1900s
1910s
1920s
1930s
1940s
1950s
1960s
1970s
1980s
1990s
2000s
2010s
2020s
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Name Variants & Related Names

The name Alistair has several variants and related forms across different languages and cultures:

  • Alastair
  • Alasdair
  • Alexander
  • Alex

Notable People Named Alistair 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 Alistair Cassidy:

7
Expression Number

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

3
Soul Urge Number

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

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 Alistair?
The first name Alistair originates from Greek. Scottish Gaelic form of Alexander (Greek Alexandros: defender of men). Common throughout the Scottish Highlands.
When was Alistair most popular?
The name Alistair reached its peak popularity during the 1975s.
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 Alistair Cassidy?
The name Alistair Cassidy combines two different traditions: the first name Alistair has Greek roots, while the surname Cassidy originates from Irish.
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