Gender
Origin
- Celtic/Gaelic
- Name of a saint
Pronunciation
de(ag)-lan
Popularity in the USA
- Boys: peak in 2015 (rank #2471, 50 births); most recent 2025 (rank #7679, 10 births)
| Year | Boys |
|---|---|
| 2025 | 10 |
| 2024 | 7 |
| 2023 | 19 |
| 2022 | 18 |
| 2021 | 9 |
| 2020 | 19 |
| 2019 | 25 |
| 2018 | 31 |
| 2017 | 34 |
| 2016 | 34 |
Top girl names · Top boy names in the USA (2025)
Source: U.S. Social Security Administration (SSA), national baby names data (public domain). This site is not affiliated with or endorsed by the SSA. Data years: 1880 to 2025. Original data
Popularity in England and Wales
- Boys: peak in 1999 (rank #1849, 6 births); most recent 2021 (rank #4782, 3 births)
| Year | Boys |
|---|---|
| 2025 | – |
| 2024 | – |
| 2023 | – |
| 2022 | – |
| 2021 | 3 |
| 2020 | – |
| 2019 | – |
| 2018 | – |
| 2017 | 3 |
| 2016 | – |
Top girl names · Top boy names in England and Wales (2025)
Source: Office for National Statistics (ONS), Baby names in England and Wales. Contains public sector information licensed under the Open Government Licence v3.0. Data years: 1996 to 2025. Original data · Licence
Popularity in Ireland
- Boys: peak in 2005 (rank #518, 3 births)
| Year | Boys |
|---|---|
| 2025 | – |
| 2024 | – |
| 2023 | – |
| 2022 | – |
| 2021 | – |
| 2020 | – |
| 2019 | – |
| 2018 | – |
| 2017 | – |
| 2016 | – |
Top girl names · Top boy names in Ireland (2025)
Source: Central Statistics Office (CSO), Ireland, Irish Babies' Names (tables VSA50 and VSA60), licensed under CC BY 4.0. Changes: spellings that differ only by accents (for example Rian and Rían) are counted together. Data years: 1964 to 2025. Original data · Licence
Popularity in Northern Ireland
- Boys: peak in 2003 (rank #193, 8 births); most recent 2024 (rank #404, 3 births)
| Year | Boys |
|---|---|
| 2025 | – |
| 2024 | 3 |
| 2023 | – |
| 2022 | – |
| 2021 | – |
| 2020 | – |
| 2019 | – |
| 2018 | 3 |
| 2017 | – |
| 2016 | – |
Top girl names · Top boy names in Northern Ireland (2025)
Source: Northern Ireland Statistics and Research Agency (NISRA), Baby Names. © Crown copyright. Contains public sector information licensed under the Open Government Licence v3.0. Data years: 1997 to 2025. Original data · Licence