How common is the name Declan Harmon?

The first name Declan is shared by approximately 280K people worldwide. The surname Harmon is among the most recognizable in its region of origin.

Where is the name Declan most common?

The name Declan is most prevalent in Ireland and surrounding regions.

When was Declan most popular?

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

Declan Harmon — Name Meaning, Origin & Statistics

Declan Harmon 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 Harmon: 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. 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: Harmon

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.

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

Numerology

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

9

Expression Number

Compassion and humanitarianism. A generous, idealistic nature with a sincere desire to improve the world.

4

Soul Urge Number

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

5

Personality Number

Freedom and adaptability. A dynamic, versatile personality that embraces change and seeks new experiences.

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.
How common is the name Declan Harmon?: The first name Declan is shared by approximately 280K people worldwide. The surname Harmon is among the most recognizable in its region of origin.
Where is the name Declan most common?: The name Declan is most prevalent in Ireland and surrounding regions.
When was Declan most popular?: The name Declan reached its peak popularity during the 1985s.