Gender
Origin
- Welsh
- perfect; true, reliable
Pronunciation
d(i)-lys, dil-ys
Popularity in the USA
- Girls: peak in 1946 (rank #4958, 5 births)
| Year | Girls |
|---|---|
| 2025 | – |
| 2024 | – |
| 2023 | – |
| 2022 | – |
| 2021 | – |
| 2020 | – |
| 2019 | – |
| 2018 | – |
| 2017 | – |
| 2016 | – |
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
- Girls: peak in 2024 (rank #2115, 13 births); most recent 2025 (rank #3332, 7 births)
| Year | Girls |
|---|---|
| 2025 | 7 |
| 2024 | 13 |
| 2023 | 7 |
| 2022 | 7 |
| 2021 | 3 |
| 2020 | 7 |
| 2019 | 7 |
| 2018 | 5 |
| 2017 | 7 |
| 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 France
- Girls: peak in 1997 (rank #2833, 4 births); most recent 2007 (rank #5201, 3 births)
| Year | Girls |
|---|---|
| 2023 | – |
| 2022 | – |
| 2021 | – |
| 2020 | – |
| 2019 | – |
| 2018 | – |
| 2017 | – |
| 2016 | – |
| 2015 | – |
| 2014 | – |
Top girl names · Top boy names in France (2023)
Source: INSEE, Fichier des prénoms (last updated 8 July 2024), used under the Licence Ouverte / Open Licence 2.0. Changes: names are shown in title case, and spellings that differ only by accents are counted together. Data years: 1900 to 2023. Original data · Licence