Baby Names Declan Name Meaning By Meena Azzollini Meena Azzollini Facebook LinkedIn Twitter Meena Azzollini is a health and wellness content creator with experience covering parenting, women's health, and mental health. She specializes in creating effective content for various health and wellness-based businesses and empowers them with words that make a connection with their audience. Learn about our editorial process Published on September 28, 2021 Print Catherine Delahaye / Getty Images Table of Contents View All Table of Contents What Does Declan Mean? How Popular Is the Name Declan? Similar Names Common Nicknames Suggested Sibling Names Famous People Named Declan What Does Declan Mean? If you’re looking for a good-feeling Irish name, here is one full of meaning and history. Declan is a boy name of Irish origin, and an anglicized form of the Gaelic name "Deaglán," which comprises two elements. “Deagh” means “good, excellent, or worthy,” and “lán” means “full.” Put together the name Declan means “full of goodness.” The name Declan is also associated with the Irish saint, Declán of Ard Mór, thought to be one of the first missionaries to bring Christianity to Ireland before Saint Patrick. Therefore, the name Declan also means “man of prayer.” Origin: Declan is an Irish name meaning "full of goodness" or "man of prayer."Gender: Declan is mostly used as a boy name.Pronunciation: deh-klun Although many baby names are separated by gender, Verywell Family believes that sex does not need to play a role in your name selection process. It’s important to select a name that you feel suits your new baby the best. How Popular Is the Name Declan? The name Declan only started ranking in the Top 1000 names in 1998. But it has been in use for a while and is quite a common name in Ireland, Scotland, and other English-speaking countries. Since its appearance in the U.S. charts, Declan has been steadily climbing the ranks, reaching peak popularity in 2019 at No. 95, entering the Top 100 names. However, in 2020 it just dropped out of the Top 100 ranking at No.102. Similar Names Similar sounding names to Declan: DaquanDarianDarrienDeaconDevinDevlinDevonDillonDylanKellanLachlan Other Irish boy names: AidenBraydenCallumCormacFlynnGulliverKieranLiamNoahNolanOwenRonanRowanRyanShane Other boy names starting with D: DamienDaneDanielDariusDarrellDashDawsonDaxDenverDevDhruvDialloDiegoDmitri Common Nicknames There are many nickname options that can be derived from the name Declan: DaxDecDeckDeeDekeDexLan Suggested Sibling Names Looking for a sibling name for Declan? Here are some popular options? ArcherBellaBrodyCorbinDelaneyEllaFinnFionaHarperHarrisonJonahLoganMadisonOliverQuinnSabrinaWyatt Famous People Named Declan Some notable people who share the name Declan are; Declan Farmer, American ice sled hockey player, and 2014 Paralympic gold medalistDeclan Hughes, Irish novelist, playwright, and screenwriter, known for writing crime novels such as “All the Things You Are,” “All the Dead Voices,” and “The Wrong Kind of Blood”Declan John Galbraith, British musician, best known for his 2002 hit single, "Tell Me Why"Declan Joseph Oliver, British television presenter, producer, singer, comedian, and actor best known as presenting duo Ant & Dec, alongside Ant McPartlinDeclan Michael Laird, Scottish actor best known for his roles in the movies “Hot Air,” “Green Rush” and “Big Dogs”Declan Patrick McManus, Irish-English singer-songwriter, professionally known as Elvis CostelloDeclan Shalvey, Irish comics-artist, and writer known for his works with both Marvel Comics and DC Comics Fictional Declans: Declan Desmond, an eccentric fictional character in the animated sitcom “The Simpsons.”Declan Mulqueen, played by Richard Gere in the 1997 movie, “The Jackal.”Declan O'Callaghan, one of the main characters played by Matthew Goode in the 2010 movie “Leap Year.”Declan Porter, a recurring character in the TV series “Revenge.” More Baby Names Still searching for the perfect baby name? Check out these related baby name lists for even more options: 100 Irish Baby Names 50 Gaelic Baby Names 100 Celtic Baby Names Was this page helpful? Thanks for your feedback! Get diet and wellness tips to help your kids stay healthy and happy. Sign Up You're in! Thank you, {{form.email}}, for signing up. There was an error. Please try again. What are your concerns? Other Inaccurate Hard to Understand Submit 1 Source Verywell Family uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy. Social Security Administration. Popularity of the name Declan.