Tadeusz
Every Tadeusz since 1912 — 423 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Tadeusz
Tadeusz is not currently in use for newborns in the United States — fewer than five babies received the name in 2025. Its story lives in the historical record below.
Since 1912, 423 American babies have been named Tadeusz. Its peak came in 1917, when 26 newborns received the name — the signature sound of the 1910s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Tadeusz stood among all boys' names in any year, or use the compare tool to plot it against other names.
Tadeusz year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Boys | Boys rank |
|---|---|---|
| 2025 | — | — |
| 2024 | 5 | #13,996 |
| 2023 | 9 | #8,833 |
| 2022 | 13 | #6,777 |
| 2021 | 5 | #13,830 |
| 2020 | 8 | #9,449 |
| 2019 | 7 | #10,670 |
| 2018 | — | — |
| 2017 | 7 | #10,628 |
| 2016 | — | — |
| 2015 | 5 | #13,800 |
| 2014 | 8 | #9,520 |
| 2013 | — | — |
| 2012 | 5 | #13,965 |
| 2011 | — | — |
| 2010 | 5 | #14,002 |
| 2009 | — | — |
| 2008 | — | — |
| 2007 | — | — |
| 2006 | — | — |
| 2005 | — | — |
| 2004 | — | — |
| 2003 | 6 | #10,706 |
| 2002 | — | — |
| 2001 | — | — |
| 2000 | 6 | #10,195 |
| 1995 | — | — |
| 1990 | 6 | #8,001 |
| 1985 | 5 | #7,459 |
| 1980 | 5 | #7,181 |
| 1975 | 5 | #6,231 |
| 1970 | 8 | #3,800 |
| 1965 | — | — |
| 1960 | — | — |
| 1955 | 5 | #4,337 |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | — | — |
| 1935 | — | — |
| 1930 | 6 | #3,956 |
| 1925 | 15 | #2,177 |
| 1920 | 17 | #2,043 |
| 1915 | 14 | #2,053 |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Famous people named Tadeusz
- Tadeusz Kościuszko Military personnel · 1746–1817
- Tadeusz Reichstein Chemist · 1897–1996
- Tadeusz Bór-Komorowski Military personnel · 1895–1966
- Tadeusz Mazowiecki Writer · 1927–2013
- Tadeusz Kantor Painter · 1915–1990
Ranked by global fame across Wikipedia editions (Pantheon project, MIT).
Frequently asked questions
How popular is the name Tadeusz in 2025?
Tadeusz did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.
How many people are named Tadeusz?
423 babies have been named Tadeusz in the United States since 1912, based on Social Security card applications.
When was the name Tadeusz most popular?
Tadeusz peaked in 1917, when 26 newborns received the name.
Is Tadeusz a boy or girl name?
Tadeusz is overwhelmingly a boy's name — 100% of babies with the name.
Is the name Tadeusz rising or falling?
Tadeusz is on the rise — noticeably more popular now than a decade ago.
Who are famous people named Tadeusz?
Well-known people named Tadeusz include Tadeusz Kościuszko (military personnel), Tadeusz Reichstein (chemist), Tadeusz Bór-Komorowski (military personnel).