Declining since 2019, #139 for boys today.
Popularity of Declan since 1951
Babies named Declan per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1950s | 27 |
| 1960s | 70 |
| 1970s | 53 |
| 1980s | 145 |
| 1990s | 1,135 |
| 2000s | 7,268 |
| 2010s | 31,107 |
| 2020s | 18,742 |
Meaning & origin
Declan has become a well-liked choice in the United States, though its popularity has receded somewhat from its peak. The name first appeared on the U.S. charts in 1951 and rose steadily, reaching its highest rank of 139 in 2019. Since 2019, its usage has been on a downward trajectory. Despite the decline, it remains a familiar option, with about 1 in 665 boys receiving the name in 2025. Geographically, Declan is most popular in Wyoming, Vermont, and Delaware. Its Irish heritage gives it a distinct cultural resonance, and the connection to Saint Declan adds historical depth. Parents drawn to names with a strong Celtic background and a modern, accessible sound often consider it. Although it is falling in rank, Declan has maintained a solid foothold over the past decade and remains more common than many of its Celtic counterparts.
Declan is the Anglicized form of the Irish name Deaglán, which is of uncertain meaning. It may derive from *deagh-* meaning 'good' and *lán* meaning 'full', together 'full of goodness', or from *deacair* ('difficult, troublesome') combined with *lán* ('full'), with the possible sense of 'full of trouble'. The name is historically associated with Saint Declan, a 5th-century Irish bishop who founded the monastery of Ardmore in County Waterford and is one of the pre-Patrician saints of Ireland. The name was relatively rare outside of Ireland until the late 20th century, when it gained international popularity.
Where Declan is most popular
Births per 100,000 boys by state. Press play or drag the slider to watch it move across the decades. The lightest shade means too few recorded births.
“Declan” around the world
Where Declan lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
5
babies in 2024
Ireland
11
babies in 2025
New Zealand
26
babies in 2025
Sources: INSEE (France) · CSO Ireland (Ireland) · NZ Dept of Internal Affairs (New Zealand).
Nicknames & variants
Nicknames: Dec, Deck, Dek
Variants: Deaglán, Deaglan
Sibling names for Declan
Names that share Declan's style, for a brother or sister.
Sisters: Maeve, Shea, Aoife, Kiera, Saoirse, Alanna, Aria, Brenna, Bridget, Cadence, Ciara, Darcy, Eileen, Quinn, Sheena, Teagan, Adalyn, Ailene, Aislinn, Alannah, Allana, Aubree, Ayleen, Bellamy, Bree, Bridgit, Brigette, Brigid, Brigit, Brinley, Bryn, Cailin, Campbell, Danika, Dara, Darby, Darcie, Deidra, Deidre, Deirdre, Everleigh, Evyn, Fiona, Harmony, Kadence, Kallie, Keeley, Keva, Leigha, Mckenna, Moira, Raegan, Regan, Rosaleen, Shae, Shavon, Shay, Siobhan, Una, Wrenley, Aaralyn, Adalie, Addelyn, Aislin, Aisling, Aislyn, Aislynn, Analee, Arabelle, Bryna, Brynley, Brynnlee, Caeli, Caelyn, Carra, Carrigan, Catelyn, Ceara, Ceola, Ciana, Coreen, Corrin, Darianna, Delaina, Delani, Delany, Diedra, Diedre, Emberlynn, Emori, Enya, Erynn, Fallyn, Falon, Halston, Hennessy, Irelyn, Irelynn, Irish, Journi, Kaeli, Kaelin, Keaira, Keara, Keelin, Keena, Kenadie, Kenna, Kensington, Kerin, Kinlee, Kinsleigh, Kinzlee, Leana, Mairead, Maylin, Meara, Neve, Oona, Raelee, Ragan, Raylee, Reegan, Rooney, Rori, Roslynn, Rozlyn, Ryanne, Rylynn, Scotlyn, Seana, Seanna, Sinead, Taegan, Tarah, Teagen, Teegan, Teigan, Tierney, Treasa, Tresa, Verity, Adlee, Ailen, Ailin, Ailish, Alainna, Allanah, Ambree, Analynn, Anistyn, Aslyn, Aubery, Baleria, Bentleigh, Berkleigh, Berlyn, Bexlee, Bostyn, Brenlee, Bridgid, Briel, Briget, Brynnleigh, Cadance, Caelin, Caitlan, Caitrin, Cambri, Caylen, Caylyn, Chevonne, Coralyn, Darra, Daylee, Delanee, Dierdre, Dilyn, Dineen, Duana, Eily, Eleen, Emree, Evanna, Evony, Falyn, Farren, Fionna, Flannery, Graceyn, Henleigh, Inis, Jaylinn, Jazell, Kaleen, Karrigan, Kearra, Keera, Keirah, Kerigan, Kiely, Kolette, Kynsley, Lennyn, Locklyn, Logann, Loghan, Loxley, Maddyx, Madigan, Maelani, Maeven, Maevyn, Mairin, Malon, Malone, Marelyn, Marney, Mavery, Morna, Morrigan, Murriel, Neala, Niva, Oaklie, Paislie, Raedyn, Raegen, Raelin, Raelynne, Raeven, Ragen, Raylie, Reaghan, Reesa, Reghan, Renlee, Renleigh, Reverie, Rheagan, Rianne, Roanne, Rorie, Rowynn, Sayla, Shailyn, Shealynn, Sheana, Souline, Tatumn, Teaghan, Tedra, Teghan, Tiegan, Tinlee, Valena, Addley, Adilee, Aelyn, Ailis, Aine, Aizlyn, Alannie, Amberle, Anberlin, Arilynn, Ashleen, Ashlinn, Aslin, Aslynn, Aubreana, Audrinna, Avaline, Avereigh, Averianna, Aylene, Braelee, Brealyn, Breena, Brennah, Breslin, Breslyn, Brexlee, Brilyn, Brylei, Camarie, Catelin, Cearra, Ceili, Ceira, Chivon, Ciarah, Connelly, Coraleigh, Corryn, Dalaina, Dalayza, Daly, Darrah, Declynn, Devoiry, Dierdra, Edana, Eilee, Eilis, Eilyn, Emaree, Enda, Erinne, Eveleen, Eyleen, Farryn, Fianna, Gelsey, Gwendalynn, Haelynn, Haeven, Halyn, Harlowe, Hazleigh, Hennessey, Irelynd, Isolde, Jaeleigh, Jaselyn, Jaylianna, Jazzlin, Jernee, Joscelin, Journiee, Kadince, Kaileen, Karenna, Karlei, Kearney, Keatyn, Keeva, Keilin, Kella, Kendalyn, Kenlei, Kentley, Kerilyn, Kerina, Keyleigh, Kieley, Kierah, Kieryn, Koralee, Kynnadi, Laekyn, Lenay, Lexiana, Lillyonna, Loralye, Lynnix, Madyn, Maeley, Maelin, Mailin, Mailynn, Malynn, Maybree, Mckinna, Meeghan, Mersadie, Milynn, Murphie, Myelle, Mylene, Oria, Pegeen, Quinlee, Quinlynn, Quynn, Ralynn, Reigan, Rheana, Riann, Rieley, Shanah, Shaylon, Shevon, Siddalee, Sigourney, Sinclaire, Skarlette, Suttyn, Tarra, Tinslee, Torryn, Winsley, Brayli, Carlei, Eavan, Emberli, Erilyn, Evanne, Finola, Jezlyn, Kourtlynn, Malyn, Mckinzey, Paytan, Rhealynn, Abaigeal, Abiageal, Abrina, Addaleigh, Addalyne, Addylynn, Adelee, Adylin, Aftan, Ahilyn, Aibhlinn, Aidaly, Aileena, Airyn, Alanee, Aleynah, Allahna, Alonnah, Alonnie, Anaveah, Andilyn, Annalei, Annleigh, Arryn, Artasia, Avaleen, Avynn, Aylinn, Ayslin, Azlin, Braeley, Branna, Brayah, Breane, Breella, Breely, Brekyn, Brenlyn, Briena, Brigitt, Brynnan, Burklee, Cadi, Caelie, Caileen, Cait, Caleen, Caliann, Cambre, Ceana, Chasady, Cheila, Chesnie, Ciaira, Conleigh, Copelynn, Creasie, Dailin, Deidrea, Deklynn, Delainy, Deslyn, Deveney, Devri, Dylanie, Ellicia, Erynne, Espyn, Ethne, Evanie, Falan, Fallan, Francely, Graclyn, Graelyn, Graelynn, Greysi, Hadlyn, Hartlynn, Hayleen, Henessy, Hillarie, Ileigh, Jaydalyn, Jenavee, Jenaveve, Kacelyn, Kampbell, Karagan, Karigan, Kaselyn, Kassity, Kearie, Keelia, Keilynn, Kennede, Kenzlei, Kerensa, Keslee, Khaylee, Kierstynn, Kileen, Kinzlie, Kopelyn, Koralynn, Korianna, Kwynn, Kynzli, Lachlyn, Laklynn, Laurelyn, Lenzi, Lochlyn, Lovelee, Macaila, Madailein, Mairyn, Makenleigh, Marren, Maybrie, Mayella, Mayerly, Meaghen, Meryn, Mirren, Noralynn, Novaly, Paislea, Payslie, Phallon, Preslea, Quinne, Quinnlee, Raelan, Raeonna, Rainelle, Realynn, Reganne, Renezmae, Reylynn, Rhaelyn, Rheanne, Rhilee, Rilynne, Rotha, Sabryn, Shawneen, Shealee, Shealeigh, Shevaun, Shevawn, Shevonne, Shivon, Shivonne, Tagan, Tallyn, Talulla, Talullah, Teeghan, Thailyn, Trulee, Yarlin
Brothers: Finn, Cian, Liam, Sean, Patrick, Aidan, Barrett, Brendan, Conner, Connor, Conor, Desmond, Donovan, Easton, Grayson, Ian, Nolan, Owen, Weston, Aidyn, Baron, Bowen, Brennan, Brennen, Broderick, Callahan, Callan, Callum, Chadwick, Coleman, Corbin, Cullen, Davin, Derry, Donavan, Donavon, Donn, Doran, Dorsey, Eamon, Ean, Egan, Finnegan, Finnian, Flynn, Gannon, Grady, Huxley, Kallan, Keagan, Keegan, Keelan, Keenan, Kegan, Kellan, Kellen, Kendrick, Kenyon, Kieran, Killian, Lawson, Madden, Marshal, Mccoy, Merrick, Nevin, Nigel, Olan, Oran, Oren, Orin, Patric, Quentin, Reid, Rian, Ronan, Rory, Rowen, Seamus, Shaine, Shayne, Sullivan, Torin, Vander, Aaden, Adair, Adyn, Aedan, Avion, Brannon, Brendyn, Brennon, Breon, Brexton, Brodrick, Brogan, Caelan, Calin, Carlin, Cavan, Cavin, Cayde, Cillian, Clancy, Conan, Conley, Connell, Cormac, Cortland, Corwin, Creighton, Curley, Deegan, Dempsey, Desmon, Devlin, Dezmond, Donavin, Dutton, Eamonn, Eiden, Ennis, Evin, Farrell, Farris, Ferris, Finnick, Finnigan, Fitzgerald, Garvin, Graydon, Griffen, Hagan, Hogan, Kaelan, Kalin, Kallen, Kayne, Keane, Kelan, Kendric, Kennan, Kervin, Kerwin, Kevan, Kiernan, Kilian, Kyran, Lathan, Lavaughn, Lochlan, Logen, Macklin, Niel, Noland, Nolen, Nyle, Oneal, Oneil, Orie, Oshea, Quin, Quinlan, Rogan, Ryon, Shamus, Talan, Teague, Tiernan, Tully, Aceyn, Adian, Anden, Aydrian, Bowden, Brenan, Broadus, Bron, Caelen, Cailen, Callaghan, Carney, Carrell, Carston, Cashel, Chael, Colman, Con, Conlan, Connar, Corwyn, Cullin, Curran, Curren, Daegan, Daelan, Daelin, Dallan, Daxtyn, Deagan, Decklyn, Declyn, Dermot, Derrian, Devlyn, Dillen, Dillinger, Donivan, Donley, Donnel, Donnovan, Donoven, Donovin, Donovon, Dorrian, Doyal, Dravin, Dugan, Eagan, Ehren, Enis, Erion, Everhett, Farrel, Ferrel, Findley, Finian, Fintan, Galvin, Garron, Gorman, Graeson, Hudsen, Huxlee, Jaxston, Jevan, Kaelen, Kailan, Kalum, Kavan, Keagen, Keaghan, Kean, Keanan, Keeghan, Keenon, Keifer, Keigan, Keiran, Keiron, Kenner, Keygan, Khyson, Kieren, Kieron, Leiland, Louden, Lowry, Maclain, Macoy, Maddon, Malachy, Mannix, Maverik, Nevan, Neven, Nylan, Padraic, Padraig, Paxon, Paxtyn, Phelan, Quinnton, Redmond, Roark, Rockne, Seann, Shandon, Shaughn, Shayn, Sheamus, Shean, Stiles, Tarin, Torren, Trevyn, Tydus, Tynan, Adain, Aengus, Airon, Arran, Arren, Ashdon, Bearett, Bexton, Bohden, Bowyn, Braelen, Braycen, Breccan, Breland, Brenen, Brennin, Broderic, Bryor, Cadon, Caellum, Cailan, Casten, Caton, Caven, Chasten, Cohan, Colan, Colden, Colyn, Conall, Conlin, Coren, Cowen, Daimian, Danis, Decklin, Dolan, Drelyn, Eilan, Emrick, Erron, Esker, Evrett, Faolan, Farron, Fin, Finan, Findlay, Finnan, Garvey, Gavan, Gearold, Gleason, Griffyn, Hendryx, Jamason, Jaymin, Jourden, Kaegan, Kailand, Kairon, Kasten, Kaynan, Keagon, Kealan, Keefe, Keefer, Keegen, Keelen, Keighan, Kerney, Kerrick, Keynan, Khyrin, Kienan, Kinney, Konor, Kullen, Kyllian, Kynan, Leary, Leelyn, Lennin, Lenon, Lorcan, Lydon, Macaulay, Macauley, Maclan, Maguire, Maveryk, Mckoy, Neill, Niam, Nijel, Obrien, Oniel, Osten, Owynn, Paddy, Prescott, Quentyn, Quillan, Quinlin, Quintan, Raeden, Rafferty, Raliegh, Ramsay, Rhyland, Riordan, Roarke, Rourke, Seanpatrick, Shey, Solan, Tagen, Tauren, Tighe, Toryn, Traxton, Vallen, Whalen, Wylan, Alistar, Aydn, Barett, Breken, Caulin, Deaken, Desman, Donevan, Grantley, Kaulder, Locklan, Tameron, Aadan, Adryen, Aidian, Alann, Aldyn, Andric, Aran, Axeton, Ayren, Bannon, Barkon, Bohannon, Bonham, Bowan, Brannen, Breckan, Brextyn, Brodric, Broghan, Bryne, Cadan, Calahan, Calden, Calihan, Callin, Camdan, Candon, Cathan, Cavion, Caylum, Chamberlain, Chivas, Coady, Collan, Colm, Coner, Conn, Cono, Conroy, Corgan, Cormick, Corran, Corrigan, Cowan, Coyle, Cullan, Daelen, Dailan, Daxter, Delance, Desmund, Deylan, Donavyn, Doniven, Donovyn, Dorin, Dorrance, Doryan, Dowell, Draycen, Eann, Edrik, Ernan, Finbar, Finneus, Gaelen, Graesyn, Graisyn, Greydon, Huckson, Huxon, Jaxn, Kadden, Kaelem, Kaenan, Kallahan, Kalven, Karas, Kashdyn, Kashtin, Keanen, Keanon, Keevan, Kelen, Kelian, Kelten, Kermitt, Khilyn, Kiegan, Kielan, Kilan, Kincade, Kingsly, Kiven, Koleman, Konan, Kyian, Lanson, Lason, Lenoxx, Liahm, Lochlin, Lyncoln, Maccoy, Mackinnon, Macklan, Maddock, Maddoxx, Manus, Mccabe, Mccauley, Mclaren, Myrick, Naven, Neilan, Nial, Nohlan, Nolon, Nyal, Ossian, Quinnlan, Ramzey, Ranen, Reylan, Rowin, Rydan, Ryelan, Senan, Taggert, Tallan, Tarl, Toben, Tobyn, Toran, Tristain, Truen, Truxton, Trystian, Vanden, Waelyn
Names like Declan
Names whose popularity has moved with Declan's over the last 50 years.

