How common is the name Sidney Obrien?

The first name Sidney is shared by approximately 78K people worldwide. The surname Obrien is among the most recognizable in its region of origin.

Where is the name Sidney most common?

The name Sidney is most prevalent in United States and surrounding regions.

When was Sidney most popular?

The name Sidney reached its peak popularity during the 1970s.

Sidney Obrien — Name Meaning, Origin & Statistics

Sidney Obrien is a name that combines English origins. The first name Sidney is a masculine given name of English origin. A name of English origin (Old English / Anglo-Saxon). Its precise etymology is not fully documented, but it belongs to the broad tradition of English names found across many cultures. 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. Sidney is a distinctive first name, carried by approximately 78K people globally, with the highest concentration in United States. The name Sidney reached peak popularity in the 1970s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Sidney

English

A name of English origin (Old English / Anglo-Saxon). Its precise etymology is not fully documented, but it belongs to the broad tradition of English names found across many cultures.

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.

Geographic Distribution

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

United States 52%

United Kingdom 28%

Australia 12%

Canada 9%

Popularity Over Time

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

1900s

1910s

1920s

1930s

1940s

1950s

1960s

1970s

1980s

1990s

2000s

2010s

2020s

Numerology

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

4

Expression Number

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

7

Soul Urge Number

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

6

Personality Number

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

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 Sidney?: The first name Sidney originates from English. A name of English origin (Old English / Anglo-Saxon). Its precise etymology is not fully documented, but it belongs to the broad tradition of English names found across many cultures.
How common is the name Sidney Obrien?: The first name Sidney is shared by approximately 78K people worldwide. The surname Obrien is among the most recognizable in its region of origin.
Where is the name Sidney most common?: The name Sidney is most prevalent in United States and surrounding regions.
When was Sidney most popular?: The name Sidney reached its peak popularity during the 1970s.