NNameRarity
Browse A–ZRarestPopularHinduOriginsSikhJainBuddhist
🌿 PopularBoy nameIrish (Gaelic)

Declan

“Full of goodness”

2 syllables · 6 letters

About the name Declan

Saint Declan was preaching in Waterford before Patrick arrived, though the name stayed almost entirely Irish until the nineties. Its American rise has been swift and slightly surprising, driven by a sound that lands somewhere between rugged and tender.

Declan is a boy name of Irish (Gaelic) origin, pronounced DEK-lun. On the NameRarity scale it scores 32 out of 100, which places it in the popular band — a well-used favourite — expect to share it occasionally. Its strongest period was the 2010s.

Associated with
charismaticboldwarmrestless

Name facts at a glance

Meaning
Full of goodness
Origin
Irish (Gaelic)
Gender
Boy
Pronunciation
DEK-lun
Syllables
2
Letters
6
US rank
#125
Peak era
2010s
Rarity
32 / 100
Per million
~520
Starts with
D
Numerology
3 · The Storyteller

How popular is Declan?

Popularity68/100
Rarity32/100

Declan sits at approximately #125 in recent US rankings. Roughly 520 people per million carry it — about 1 in 1,923. In a school of 1,000 pupils you would expect not to find a single one.

Famous people named Declan

  • Declan Rice
    English footballer and Arsenal midfielder
  • Declan McKenna
    English singer-songwriter

Spellings and variants of Declan

DeaglánDeclánDecklan

Names similar to Declan

Uncommon

Donovan

DON-uh-vun

Dark-haired chieftain

Irish (Gaelic)55% rare
Rare

Duncan

DUNG-kun

Brown warrior

Scottish (Gaelic)70% rare
Popular

Nolan

NOH-lun

Descendant of the noble champion

Irish (Gaelic)26% rare
Uncommon

Brendan

BREN-dun

Prince

Irish (Gaelic)53% rare
Uncommon

Brian

BRY-un

Noble, high

Irish (Gaelic)42% rare
Uncommon

Damian

DAY-mee-an

To tame or subdue

Greek37% rare
Rare

Desmond

DEZ-mund

From South Munster

Irish (Gaelic)64% rare
Popular

Dylan

DIL-un

Great sea

Welsh21% rare
Browse all 1,284 names →

Declan — frequently asked questions

What does the name Declan mean?

Declan means "Full of goodness". It is a name of Irish (Gaelic) origin, most often given to a boy.

How do you pronounce Declan?

Declan is pronounced DEK-lun, with 2 syllables.

How rare is the name Declan?

Declan scores 32 out of 100 on the NameRarity scale, which makes it popular. Roughly 1 in every 1,923 people carry it — about 520 per million.

What is the numerology number for Declan?

Declan carries the expression number 3, known as The Storyteller. Its soul urge number is 6 and its personality number is 6.

What is the lucky number and lucky colour for Declan?

The lucky number for Declan is 3 (with 12, 21, 30 also favourable), and its lucky colour is Lilac Amethyst. The traditional lucky day is Thursday and the associated gemstone is Amethyst.

Is Declan a popular name?

Declan currently sits around rank #125 in the United States, and its strongest period was the 2010s.