Thadeus
Every Thadeus since 1912 — 1,123 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Thadeus
Thadeus is rare for boys in the United States, ranked #11,845 in 2025 with 6 babies given the name. It is currently declining compared with a decade ago.
Since 1912, 1,123 American babies have been named Thadeus. Its peak came in 1918, when 27 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 Thadeus stood among all boys' names in any year, or use the compare tool to plot it against other names.
Thadeus year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Boys | Boys rank |
|---|---|---|
| 2025 | 6 | #11,845 |
| 2024 | 6 | #12,201 |
| 2023 | — | — |
| 2022 | 5 | #14,122 |
| 2021 | 6 | #11,984 |
| 2020 | — | — |
| 2019 | 8 | #9,648 |
| 2018 | 6 | #11,990 |
| 2017 | — | — |
| 2016 | 12 | #7,101 |
| 2015 | 9 | #8,670 |
| 2014 | 14 | #6,275 |
| 2013 | 10 | #8,044 |
| 2012 | 10 | #8,074 |
| 2011 | 13 | #6,543 |
| 2010 | 13 | #6,663 |
| 2009 | 13 | #6,771 |
| 2008 | 14 | #6,362 |
| 2007 | 23 | #4,355 |
| 2006 | 18 | #5,052 |
| 2005 | 19 | #4,618 |
| 2004 | 17 | #4,985 |
| 2003 | 14 | #5,522 |
| 2002 | 22 | #3,897 |
| 2001 | 18 | #4,454 |
| 2000 | 15 | #5,016 |
| 1995 | 18 | #3,679 |
| 1990 | 18 | #3,451 |
| 1985 | 7 | #5,714 |
| 1980 | 8 | #4,897 |
| 1975 | 17 | #2,530 |
| 1970 | — | — |
| 1965 | 6 | #3,889 |
| 1960 | — | — |
| 1955 | 5 | #4,343 |
| 1950 | — | — |
| 1945 | — | — |
| 1940 | 5 | #3,891 |
| 1935 | 5 | #4,095 |
| 1930 | 9 | #2,996 |
| 1925 | 15 | #2,178 |
| 1920 | 16 | #2,119 |
| 1915 | 17 | #1,776 |
| 1910 | — | — |
| 1905 | — | — |
| 1900 | — | — |
| 1895 | — | — |
| 1890 | — | — |
| 1885 | — | — |
| 1880 | — | — |
Frequently asked questions
How popular is the name Thadeus in 2025?
Thadeus ranked #11,845 among boys' names in the United States in 2025, with 6 babies given the name, according to Social Security Administration data.
How many people are named Thadeus?
1,123 babies have been named Thadeus in the United States since 1912, based on Social Security card applications.
When was the name Thadeus most popular?
Thadeus peaked in 1918, when 27 newborns received the name.
Is Thadeus a boy or girl name?
Thadeus is overwhelmingly a boy's name — 100% of babies with the name.
Is the name Thadeus rising or falling?
Thadeus is declining — less popular now than a decade ago.