Alistair Obrien

Name meaning, origin and global statistics

Alistair Obrien — defender of men
280K People worldwide
United Kingdom Most common in
1975s Peak popularity
Gender
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Alistair Obrien is a name combining Greek origins, bringing together "defender of men" (Alistair) with "descendant of Brian" (Obrien). 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 Obrien from Irish Ó Briain, meaning 'descendant of Brian.' Brian Boru, High King of Ireland who defeated the Vikings at Clontarf (1014), founded this family. 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: Obrien

Meaning: descendant of Brian

Celtic

From Irish Ó Briain, meaning 'descendant of Brian.' Brian Boru, High King of Ireland who defeated the Vikings at Clontarf (1014), founded this family.

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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

Variants of the surname Obrien: O'Brien OBrian Brien

Notable People Named Alistair Obrien

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 Obrien:

8
Expression Number

Ambition and material success. Represents power, business acumen and the drive to achieve significant goals.

4
Soul Urge Number

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

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 Obrien?
The surname Obrien originates from Celtic. From Irish Ó Briain, meaning 'descendant of Brian.' Brian Boru, High King of Ireland who defeated the Vikings at Clontarf (1014), founded this family.
What are the origins of the name Alistair Obrien?
The name Alistair Obrien combines two different traditions: the first name Alistair has Greek roots, while the surname Obrien originates from Celtic.
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