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

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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.

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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 #131 in 2024.

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

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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.
 
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.
 
Declan Porter is a current character on Revenge. 
 Cyndi Lauper spelled her son's name Declyn.

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The name Declan is currently ranked #131 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 2024.

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