Gender
Origin
- Unknown
Alternate Spellings and Variants of Tadeusz
Popularity in the USA
- Boys: peak in 1917 (rank #1362, 26 births); most recent 2024 (rank #12301, 5 births)
| Year | Boys |
|---|---|
| 2025 | – |
| 2024 | 5 |
| 2023 | 9 |
| 2022 | 13 |
| 2021 | 5 |
| 2020 | 8 |
| 2019 | 7 |
| 2018 | – |
| 2017 | 7 |
| 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
- Boys: peak in 2019 (rank #1588, 15 births); most recent 2025 (rank #1895, 13 births)
| Year | Boys |
|---|---|
| 2025 | 13 |
| 2024 | 9 |
| 2023 | 11 |
| 2022 | 9 |
| 2021 | 11 |
| 2020 | 8 |
| 2019 | 15 |
| 2018 | 10 |
| 2017 | 7 |
| 2016 | 10 |
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 1931 (rank #175, 82 births); most recent 2007 (rank #4503, 3 births)
| Year | Boys |
|---|---|
| 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
Popularity in Ireland
- Boys: peak in 2016 (rank #601, 4 births); most recent 2020 (rank #706, 3 births)
| Year | Boys |
|---|---|
| 2025 | – |
| 2024 | – |
| 2023 | – |
| 2022 | – |
| 2021 | – |
| 2020 | 3 |
| 2019 | – |
| 2018 | 3 |
| 2017 | – |
| 2016 | 4 |
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