When was Declan most popular?

The name Declan reached its peak popularity during the 1985s.

What are the origins of the name Declan Noonan?

The name Declan Noonan combines two different traditions: the first name Declan has Celtic roots, while the surname Noonan originates from Irish.

Declan Noonan — 280K & 13K bearers

Declan Noonan is a name that combines Celtic origins. The first name Declan is a masculine given name of Celtic origin. From Irish Gaelic Deaglán, of uncertain meaning. Saint Declan of Ardmore was one of the pre-Patrician saints of Ireland. The surname Noonan: Noonan (Irish: Ó Nuanáin, Ó Núnáin and Ó hIonmhaineáin) is an Irish surname. Aileen Noonan (born 1950), Irish chess master Bill Noonan (1947–2021), New Zealand rugby player Brian Noonan (born 1965), ice hockey player Buddy Noonan (1937–1989), American cinematographer, actor, and entertainer Carol Noonan, American folksinger Chris Noonan (born 1952), Australian filmmaker Chris Noonan (academic), New Zealand law academic Christine Noonan (1945–2003), British actress Desmond Noonan (1951–2005) and Dominic Noonan (born 1966), British mobsters Diana Noonan (born 1960), New Zealand children's author. Declan is a well-known first name, carried by approximately 280K people globally, with the highest concentration in Ireland. The name Declan reached peak popularity in the 1985s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Declan

Meaning: man of prayer

Celtic

From Irish Gaelic Deaglán, of uncertain meaning. Saint Declan of Ardmore was one of the pre-Patrician saints of Ireland.

Surname: Noonan

Irish

Noonan (Irish: Ó Nuanáin, Ó Núnáin and Ó hIonmhaineáin) is an Irish surname. Aileen Noonan (born 1950), Irish chess master Bill Noonan (1947–2021), New Zealand rugby player Brian Noonan (born 1965), ice hockey player Buddy Noonan (1937–1989), American cinematographer, actor, and entertainer Carol Noonan, American folksinger Chris Noonan (born 1952), Australian filmmaker Chris Noonan (academic), New Zealand law academic Christine Noonan (1945–2003), British actress Desmond Noonan (1951–2005) and Dominic Noonan (born 1966), British mobsters Diana Noonan (born 1960), New Zealand children's author.

Geographic Distribution

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

Ireland 45%

United Kingdom 30%

United States 15%

Australia 9%

Popularity Over Time

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

1900s

1910s

1920s

1930s

1940s

1950s

1960s

1970s

1980s

1990s

2000s

2010s

2020s

Name Variants & Related Names

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

Deaglán
Dec

Notable People Named Declan Noonan

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 Declan Noonan:

4

Expression Number

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

1

Soul Urge Number

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

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 Declan?: The first name Declan originates from Celtic. From Irish Gaelic Deaglán, of uncertain meaning. Saint Declan of Ardmore was one of the pre-Patrician saints of Ireland.
When was Declan most popular?: The name Declan reached its peak popularity during the 1985s.
What is the origin of the surname Noonan?: The surname Noonan originates from Irish. Noonan (Irish: Ó Nuanáin, Ó Núnáin and Ó hIonmhaineáin) is an Irish surname. Aileen Noonan (born 1950), Irish chess master Bill Noonan (1947–2021), New Zealand rugby player Brian Noonan (born 1965), ice hockey player Buddy Noonan (1937–1989), American cinematographer, actor, and entertainer Carol Noonan, American folksinger Chris Noonan (born 1952), Australian filmmaker Chris Noonan (academic), New Zealand law academic Christine Noonan (1945–2003), British actress Desmond Noonan (1951–2005) and Dominic Noonan (born 1966), British mobsters Diana Noonan (born 1960), New Zealand children's author.
What are the origins of the name Declan Noonan?: The name Declan Noonan combines two different traditions: the first name Declan has Celtic roots, while the surname Noonan originates from Irish.