Ciaran Cosby

Name meaning, origin and global statistics

Ciaran Cosby — little dark one
200K People worldwide
Ireland Most common in
1995s Peak popularity
Gender
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Ciaran Cosby is a name that combines Celtic origins. The first name Ciaran is a masculine given name of Celtic origin. From Irish Gaelic Ciarán, meaning 'little dark one' (ciar=dark). Saint Ciarán of Clonmacnoise founded one of Ireland's greatest monasteries. The surname Cosby: Alexander Cosby (1685–1742), Irish military officer Andrew Cosby (born 1968), American comic book creator, film producer, and screenwriter Bill Cosby (born 1937), American actor, comedian, and alleged sex offender Bryce Cosby (born 1999), American football player Camille Cosby (born 1944), American author and wife of Bill Cosby Dabney Cosby (1793–1862), American architect and builder Dudley Cosby, 1st Baron Sydney (1730–1774), Irish politician and diplomat Ennis Cosby (1969–1997), American student and son of Bill Cosby who was murdered in 1997 Erika Cosby (born 1965), artist and daughter of Bi. Ciaran is a well-known first name, carried by approximately 200K people globally, with the highest concentration in Ireland. The name Ciaran reached peak popularity in the 1995s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Ciaran

Meaning: little dark one

Celtic

From Irish Gaelic Ciarán, meaning 'little dark one' (ciar=dark). Saint Ciarán of Clonmacnoise founded one of Ireland's greatest monasteries.

Surname: Cosby

Irish

Alexander Cosby (1685–1742), Irish military officer Andrew Cosby (born 1968), American comic book creator, film producer, and screenwriter Bill Cosby (born 1937), American actor, comedian, and alleged sex offender Bryce Cosby (born 1999), American football player Camille Cosby (born 1944), American author and wife of Bill Cosby Dabney Cosby (1793–1862), American architect and builder Dudley Cosby, 1st Baron Sydney (1730–1774), Irish politician and diplomat Ennis Cosby (1969–1997), American student and son of Bill Cosby who was murdered in 1997 Erika Cosby (born 1965), artist and daughter of Bi.

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Geographic Distribution

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

Ireland 54%
United Kingdom 38%
Australia 8%

Popularity Over Time

Popularity of the name Ciaran 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 Ciaran has several variants and related forms across different languages and cultures:

  • Kieran
  • Kiran
  • Ciarán

Numerology

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

11
Expression Number

Intuition and inspiration (Master Number 11). Amplifies spiritual awareness, creative vision and sensitivity.

8
Soul Urge Number

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

3
Personality Number

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

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 Ciaran?
The first name Ciaran originates from Celtic. From Irish Gaelic Ciarán, meaning 'little dark one' (ciar=dark). Saint Ciarán of Clonmacnoise founded one of Ireland's greatest monasteries.
When was Ciaran most popular?
The name Ciaran reached its peak popularity during the 1995s.
What is the origin of the surname Cosby?
The surname Cosby originates from Irish. Alexander Cosby (1685–1742), Irish military officer Andrew Cosby (born 1968), American comic book creator, film producer, and screenwriter Bill Cosby (born 1937), American actor, comedian, and alleged sex offender Bryce Cosby (born 1999), American football player Camille Cosby (born 1944), American author and wife of Bill Cosby Dabney Cosby (1793–1862), American architect and builder Dudley Cosby, 1st Baron Sydney (1730–1774), Irish politician and diplomat Ennis Cosby (1969–1997), American student and son of Bill Cosby who was murdered in 1997 Erika Cosby (born 1965), artist and daughter of Bi.
What are the origins of the name Ciaran Cosby?
The name Ciaran Cosby combines two different traditions: the first name Ciaran has Celtic roots, while the surname Cosby originates from Irish.
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