Gender
Origin
- English
- Nickname for William - resolute protector - often used as an independent name.
Syllables
2
Themes
- Word
Alternate Spellings and Variants of Billy
Pronunciation
b(il)-ly
Celebrity Babies
Son of Andrew Lloyd Webber, Son of Andrew Lloyd Webber
Popularity in the USA
- Boys: peak in 1934 (rank #20, 9,558 births); most recent 2025 (rank #1068, 203 births)
- Girls: peak in 1930 (rank #527, 166 births); most recent 2025 (rank #7491, 14 births)
| Year | Boys | Girls |
|---|---|---|
| 2025 | 203 | 14 |
| 2024 | 210 | 13 |
| 2023 | 195 | 9 |
| 2022 | 219 | 16 |
| 2021 | 208 | 15 |
| 2020 | 212 | 6 |
| 2019 | 245 | – |
| 2018 | 262 | 6 |
| 2017 | 268 | – |
| 2016 | 261 | 6 |
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 2005 (rank #71, 955 births); most recent 2025 (rank #110, 481 births)
- Girls: peak in 1998 (rank #2406, 6 births); most recent 2019 (rank #5588, 3 births)
| Year | Boys | Girls |
|---|---|---|
| 2025 | 481 | – |
| 2024 | 434 | – |
| 2023 | 484 | – |
| 2022 | 445 | – |
| 2021 | 446 | – |
| 2020 | 458 | – |
| 2019 | 432 | 3 |
| 2018 | 407 | – |
| 2017 | 468 | – |
| 2016 | 485 | – |
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
- Boys: peak in 1991 (rank #316, 124 births); most recent 2023 (rank #697, 60 births)
- Girls: peak in 2021 (rank #3678, 6 births); most recent 2023 (rank #5176, 3 births)
| Year | Boys | Girls |
|---|---|---|
| 2023 | 60 | 3 |
| 2022 | 56 | 3 |
| 2021 | 51 | 6 |
| 2020 | 43 | – |
| 2019 | 29 | 3 |
| 2018 | 24 | 6 |
| 2017 | 28 | – |
| 2016 | 22 | – |
| 2015 | 24 | – |
| 2014 | 16 | – |
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
Popularity in Ireland
- Boys: peak in 2022 (rank #52, 128 births); most recent 2025 (rank #40, 122 births)
| Year | Boys |
|---|---|
| 2025 | 122 |
| 2024 | 102 |
| 2023 | 108 |
| 2022 | 128 |
| 2021 | 99 |
| 2020 | 105 |
| 2019 | 87 |
| 2018 | 86 |
| 2017 | 95 |
| 2016 | 91 |
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 Scotland
- Boys: peak in 2006 (rank #117, 48 births); most recent 2025 (rank #208, 20 births)
| Year | Boys |
|---|---|
| 2025 | 20 |
| 2024 | 17 |
| 2023 | 18 |
| 2022 | 17 |
| 2021 | 19 |
| 2020 | 26 |
| 2019 | 19 |
| 2018 | 16 |
| 2017 | 25 |
| 2016 | 14 |
Top girl names · Top boy names in Scotland (2025)
Source: National Records of Scotland (NRS), Babies' First Names. © Crown copyright. Contains public sector information licensed under the Open Government Licence v3.0. Data years: 1974 to 2025. Original data · Licence
Popularity in Northern Ireland
- Boys: peak in 2015 (rank #169, 14 births); most recent 2025 (rank #212, 9 births)
| Year | Boys |
|---|---|
| 2025 | 9 |
| 2024 | 7 |
| 2023 | 8 |
| 2022 | 10 |
| 2021 | 13 |
| 2020 | 10 |
| 2019 | 11 |
| 2018 | 10 |
| 2017 | 6 |
| 2016 | 8 |
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
Popularity in British Columbia (Canada)
- Boys: peak in 1978 (rank #207, 11 births); most recent 2016 (rank #611, 5 births)
| Year | Boys |
|---|---|
| 2023 | – |
| 2022 | – |
| 2021 | – |
| 2020 | – |
| 2019 | – |
| 2018 | – |
| 2017 | – |
| 2016 | 5 |
| 2015 | – |
| 2014 | – |
Top girl names · Top boy names in British Columbia (Canada) (2023)
Source: British Columbia Vital Statistics Agency, Most popular baby names for the past 100 years. Contains information licensed under the Open Government Licence – British Columbia. Changes: names are shown in title case. Data years: 1924 to 2023. Original data · Licence