The name Declan is a girl's name meaning "man of prayer".

Two Syllable Names for Girls

Animal Names for Girls

6 Letter Girl Names

Names Ending in N for Girls

Names That Mean Man

Names That Mean Prayer

Names That Mean Possibly

Names That Mean Meaning

The Most Popular Baby Name Endings of 2023

Brother Names

Rare Names With Popular Nicknames

The increasingly popular Irish boys' name Declan is crossing into the girls' column now as well, used for over 50 baby girls in the US last year.

Boy Names for Girls

Declan

Nameberry

The name Declan peaked for girls at #3754 in 2021. The name is most popular in DECLAN, DECLAN, and DECLAN. Declan is also used for boys, ranking #139 in 2025.

The name Declan is a boy's name of Irish origin meaning "man of prayer".

Irish Names

Irish Names for Boys

6 Letter Boy Names

Names Ending in N for Boys

Names that Peaked in 2018

Two Syllable Names for Boys

Names that Peaked in 2019

Boy Dog Names That Start With D

Dog Names That Start With D

Animal Names for Boys

Irish Names that Start With D

Declan is the Anglicized form of the Irish name Deaglán. St. Declan was one of the first missionaries to bring Christianity to Ireland, preceding St. Patrick. Originally from Wales, he founded the monastery of Ardmore in Ireland.
<br></br>
Declan, the amiable and appealing name of an Irish saint (and the real first name of singer Elvis Costello), is very popular in the Emerald Isle and beginning its certain climb to popularity here, after debuting on the American list in 1998. Like Aidan and Liam, Declan is shaping up to be an American hit.
<br/><br/>Cyndi Lauper spelled her son's name Declyn.

Best Two Syllable Names

Irish Names for Dogs

Nameberry's Top Boy Names of the 2010s

Baby Name Favorites Right Now

Names That Feel Exotic Yet Simple

Boy Names Like James

Popular Baby Names 2017

Boy Names Like Dylan

Alternatives to Ryan

The Witcher Names

 Two Syllable Boy Names

Dog Names

Boy Names That Peaked in 2018

July Names

Irish Boy Names (with Meanings)

Irish

Canada

Future

England

scotland

The name Declan is currently ranked #139 in U.S. births. and peaked for boys at #95 in 2019. The name is most popular in DECLAN, DECLAN, and DECLAN. Declan is occasionally used for girls in 2025.

Declan

Declan Rank in US Top 1000

Declan Rank in Nameberry Top 1000

Popularity of the name Declan

20 Names Similar to Declan

The name Declan in Nameberry Blog Posts

More Lists containing Declan

Advanced Search

Advanced Search

Find your type.

The Nameberry App Is Live

The Nameberry App Is Live