How common is the name Dylan Sullivan?

The first name Dylan is shared by approximately 1.2 million people worldwide. The surname Sullivan is among the most recognizable in its region of origin.

Where is the name Dylan most common?

The name Dylan is most prevalent in United Kingdom and surrounding regions.

When was Dylan most popular?

The name Dylan reached its peak popularity during the 2000s.

Dylan Sullivan — Name Meaning, Origin & Statistics

Dylan Sullivan is a name that combines Celtic origins. The first name Dylan is a masculine given name of Celtic origin. From Old Welsh, composed of dy (great) and llanw (tide/flow), meaning 'son of the sea.' Dylan Thomas, the Welsh poet, gave this name worldwide fame. The surname Sullivan: 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. Dylan is one of the most widespread first names worldwide, carried by approximately 1.2 million people globally, with the highest concentration in United Kingdom. The name Dylan reached peak popularity in the 2000s, reflecting the naming trends of that era.

Etymology & Origin

First Name: Dylan

Meaning: son of the sea

Celtic

From Old Welsh, composed of dy (great) and llanw (tide/flow), meaning 'son of the sea.' Dylan Thomas, the Welsh poet, gave this name worldwide fame.

Surname: Sullivan

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 Dylan is distributed across the globe, with the highest concentrations in the following countries:

United Kingdom 39%

United States 44%

Australia 10%

Canada 8%

Popularity Over Time

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

Dilan
Dillan

Numerology

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

4

Expression Number

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

5

Soul Urge Number

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

8

Personality Number

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

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 Dylan?: The first name Dylan originates from Celtic. From Old Welsh, composed of dy (great) and llanw (tide/flow), meaning 'son of the sea.' Dylan Thomas, the Welsh poet, gave this name worldwide fame.
How common is the name Dylan Sullivan?: The first name Dylan is shared by approximately 1.2 million people worldwide. The surname Sullivan is among the most recognizable in its region of origin.
Where is the name Dylan most common?: The name Dylan is most prevalent in United Kingdom and surrounding regions.
When was Dylan most popular?: The name Dylan reached its peak popularity during the 2000s.