Thaddeus
Thaddeus was given to 314 boys in 2025, #798 among boys’ names; 26,089 Americans have been recorded with it since 1880 (Social Security Administration, published May 2026).
An estimated 17,900 Americans named Thaddeus and born in the U.S. are alive in 2026 (69% of everyone recorded); the median is 36 years old and half are between 15 and 54.
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Thaddeus by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
What does Thaddeus mean?
Wiktionary, English section
Thaddeus is “a male given name from Ancient Greek, of common usage, variant of Thaddaeus.”
Meaning: Wiktionary, English section, as of Sep 25, 2026 (CC BY‑SA 4.0).
How popular is Thaddeus?
#798 among boys’ names, 2025
Thaddeus fell from #705 in 2015 to #798 in 2025 among boys’ names; its share of boys born fell from 0.19 to 0.18 per 1,000.
416 babies in 2016, the peak
Thaddeus peaked in 2016, when 416 boys were given it, #640 among boys’ names. The 314 births of 2025 are 75% of that peak.
| Year | Births | Rank | Per 1,000 boys |
|---|---|---|---|
| 2025 | 314 | #798 | 0.18 |
| 2024 | 285 | #853 | 0.17 |
| 2023 | 260 | #896 | 0.15 |
| 2022 | 309 | #810 | 0.18 |
| 2021 | 295 | #817 | 0.17 |
| 2020 | 297 | #786 | 0.17 |
| 2019 | 325 | #743 | 0.18 |
| 2018 | 344 | #709 | 0.19 |
| 2017 | 387 | #661 | 0.21 |
| 2016 | 416 | #640 | 0.22 |
Every recorded year (145)
| Year | Births | Rank | Per 1,000 boys |
|---|---|---|---|
| 2015 | 358 | #705 | 0.19 |
| 2014 | 328 | #731 | 0.17 |
| 2013 | 280 | #796 | 0.15 |
| 2012 | 231 | #900 | 0.12 |
| 2011 | 223 | #909 | 0.12 |
| 2010 | 198 | #994 | 0.10 |
| 2009 | 191 | #1,023 | 0.10 |
| 2008 | 211 | #953 | 0.10 |
| 2007 | 228 | #886 | 0.11 |
| 2006 | 191 | #975 | 0.09 |
| 2005 | 192 | #918 | 0.10 |
| 2004 | 189 | #906 | 0.10 |
| 2003 | 183 | #910 | 0.09 |
| 2002 | 233 | #745 | 0.12 |
| 2001 | 214 | #791 | 0.11 |
| 2000 | 218 | #763 | 0.11 |
| 1999 | 184 | #825 | 0.10 |
| 1998 | 188 | #809 | 0.10 |
| 1997 | 215 | #722 | 0.11 |
| 1996 | 216 | #723 | 0.11 |
| 1995 | 203 | #756 | 0.11 |
| 1994 | 228 | #691 | 0.12 |
| 1993 | 298 | #594 | 0.15 |
| 1992 | 250 | #655 | 0.13 |
| 1991 | 274 | #616 | 0.14 |
| 1990 | 305 | #578 | 0.15 |
| 1989 | 294 | #566 | 0.15 |
| 1988 | 248 | #594 | 0.13 |
| 1987 | 240 | #585 | 0.13 |
| 1986 | 270 | #544 | 0.15 |
| 1985 | 225 | #584 | 0.12 |
| 1984 | 175 | #654 | 0.10 |
| 1983 | 223 | #565 | 0.12 |
| 1982 | 218 | #585 | 0.12 |
| 1981 | 239 | #548 | 0.13 |
| 1980 | 267 | #528 | 0.15 |
| 1979 | 307 | #469 | 0.18 |
| 1978 | 343 | #430 | 0.21 |
| 1977 | 258 | #510 | 0.16 |
| 1976 | 267 | #485 | 0.17 |
| 1975 | 251 | #505 | 0.16 |
| 1974 | 236 | #513 | 0.15 |
| 1973 | 320 | #437 | 0.21 |
| 1972 | 364 | #416 | 0.22 |
| 1971 | 321 | #453 | 0.18 |
| 1970 | 223 | #544 | 0.12 |
| 1969 | 204 | #550 | 0.11 |
| 1968 | 203 | #537 | 0.12 |
| 1967 | 229 | #495 | 0.13 |
| 1966 | 199 | #546 | 0.11 |
| 1965 | 180 | #572 | 0.10 |
| 1964 | 220 | #530 | 0.11 |
| 1963 | 213 | #545 | 0.10 |
| 1962 | 212 | #547 | 0.10 |
| 1961 | 222 | #535 | 0.10 |
| 1960 | 219 | #536 | 0.10 |
| 1959 | 208 | #544 | 0.10 |
| 1958 | 193 | #555 | 0.09 |
| 1957 | 215 | #529 | 0.10 |
| 1956 | 256 | #471 | 0.12 |
| 1955 | 221 | #498 | 0.11 |
| 1954 | 256 | #450 | 0.13 |
| 1953 | 211 | #484 | 0.11 |
| 1952 | 233 | #462 | 0.12 |
| 1951 | 188 | #494 | 0.10 |
| 1950 | 211 | #455 | 0.12 |
| 1949 | 160 | #529 | 0.09 |
| 1948 | 162 | #520 | 0.09 |
| 1947 | 167 | #525 | 0.09 |
| 1946 | 167 | #500 | 0.10 |
| 1945 | 140 | #505 | 0.10 |
| 1944 | 124 | #547 | 0.09 |
| 1943 | 128 | #561 | 0.09 |
| 1942 | 142 | #515 | 0.10 |
| 1941 | 116 | #558 | 0.09 |
| 1940 | 121 | #535 | 0.10 |
| 1939 | 107 | #555 | 0.10 |
| 1938 | 108 | #564 | 0.10 |
| 1937 | 121 | #528 | 0.11 |
| 1936 | 106 | #561 | 0.10 |
| 1935 | 92 | #613 | 0.09 |
| 1934 | 125 | #525 | 0.12 |
| 1933 | 122 | #511 | 0.12 |
| 1932 | 121 | #534 | 0.12 |
| 1931 | 139 | #486 | 0.13 |
| 1930 | 173 | #450 | 0.16 |
| 1929 | 163 | #462 | 0.15 |
| 1928 | 171 | #465 | 0.15 |
| 1927 | 204 | #426 | 0.18 |
| 1926 | 234 | #384 | 0.21 |
| 1925 | 235 | #390 | 0.21 |
| 1924 | 275 | #361 | 0.24 |
| 1923 | 288 | #347 | 0.26 |
| 1922 | 269 | #365 | 0.25 |
| 1921 | 284 | #357 | 0.26 |
| 1920 | 298 | #337 | 0.28 |
| 1919 | 267 | #348 | 0.27 |
| 1918 | 328 | #307 | 0.32 |
| 1917 | 268 | #334 | 0.29 |
| 1916 | 268 | #322 | 0.30 |
| 1915 | 254 | #331 | 0.30 |
| 1914 | 156 | #380 | 0.24 |
| 1913 | 103 | #426 | 0.20 |
| 1912 | 80 | #438 | 0.19 |
| 1911 | 40 | #467 | 0.18 |
| 1910 | 29 | #535 | 0.15 |
| 1909 | 30 | #470 | 0.18 |
| 1908 | 18 | #628 | 0.12 |
| 1907 | 14 | #732 | 0.10 |
| 1906 | 9 | #915 | 0.07 |
| 1905 | 10 | #832 | 0.08 |
| 1904 | 19 | #510 | 0.15 |
| 1903 | 11 | #728 | 0.09 |
| 1902 | 16 | #552 | 0.13 |
| 1901 | 11 | #677 | 0.10 |
| 1900 | 17 | #621 | 0.11 |
| 1899 | 19 | #436 | 0.18 |
| 1898 | 7 | #990 | 0.06 |
| 1897 | 14 | #580 | 0.12 |
| 1896 | 9 | #818 | 0.08 |
| 1894 | 10 | #723 | 0.09 |
| 1893 | 7 | #898 | 0.06 |
| 1892 | 11 | #682 | 0.09 |
| 1891 | 9 | #696 | 0.09 |
| 1890 | 7 | #873 | 0.06 |
| 1889 | 10 | #667 | 0.09 |
| 1888 | 15 | #525 | 0.12 |
| 1887 | 9 | #675 | 0.09 |
| 1886 | 8 | #750 | 0.07 |
| 1885 | 14 | #519 | 0.13 |
| 1884 | 12 | #568 | 0.10 |
| 1883 | 11 | #590 | 0.11 |
| 1882 | 8 | #745 | 0.07 |
| 1881 | 12 | #530 | 0.12 |
| 1880 | 12 | #561 | 0.11 |
Ranks and shares: boys’ names in each year’s SSA file; share of all boys SSA recorded that year.
Is Thaddeus a boy’s or a girl’s name?
Thaddeus has been given almost only to boys: 32 girls in 145 years of records.
Girls and boys named Thaddeus: the SSA national file counts each sex separately.
How many people are named Thaddeus, and how old are they?
17,900 alive in 2026, estimated
That is 69% of the 26,089 Americans ever recorded as Thaddeus. The median Thaddeus alive today is 36 years old; half are between 15 and 54.
The 2020 Census counted 15,514 people named Thaddeus (38 women and girls, 15,476 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 17,183 born in the U.S. The Census count is 10% below that prediction. Possible reasons: people who give a short form or another name to the Census, and a survival estimate that can run high.
Alive today, by age
Alive today, by generation
| Generation | Born | Alive |
|---|---|---|
| Silent Generation | 1928-1945 | 432 |
| Baby Boomers | 1946-1964 | 2,630 |
| Generation X | 1965-1980 | 3,710 |
| Millennials | 1981-1996 | 3,720 |
| Generation Z | 1997-2012 | 3,230 |
| Generation Alpha | 2013-2025 | 4,170 |
An estimate, not a count. SSA’s files count people born in the United States who received a Social Security number, so anyone born abroad is not in them; before 1937 most people got a number as adults, and their survival is counted from that age.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).
Where are babies named Thaddeus born?
The states with the most babies named Thaddeus are Texas, Pennsylvania and California, with 22% of its births recorded by state in 2025.
| State | Births 2025 | Rank, boys | vs. national |
|---|---|---|---|
| Texas | 26 | #952 | 0.5× |
| Pennsylvania | 19 | #522 | 1.2× |
| California | 16 | #1,237 | 0.5× |
| Ohio | 15 | #645 | 0.8× |
| Florida | 13 | #1,048 | 0.9× |
| North Carolina | 12 | #766 | 1.0× |
| Indiana | 12 | #576 | 0.7× |
| Virginia | 12 | #622 | 0.7× |
| Colorado | 12 | #498 | 0.7× |
| Michigan | 11 | #710 | 1.5× |
Where Thaddeus is more common than its national share predicts
Relative to its national share, Thaddeus is most over-represented in Louisiana: since 1910 it was given 1.9 times as often there as its national share each year would predict.
States: SSA state file, 1910-2025, published May 8, 2026; births count girls and boys together, and the rank is among boys’ names in the state in 2025. The file leaves out any state and year with fewer than 5 babies of the name, so small states are undercounted; each ratio compares the state’s births of Thaddeus with the births its national share predicts year by year, for states with at least 100 births of the name.
Names spelled alike
Of these 8 names spelled alike, given to 29,640 babies since 1880, Thaddeus is the most given (88% of them). In 2025 it was given to 314 of their 330 babies (95%), again the most given.
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Thaddeus
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
More about Thaddeus and names like it
- Compare Thaddeus and ThadeusBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2010sThaddeus peaked in 2016.
- New York’s most given namesThe state where SSA recorded the most babies named Thaddeus since 1910.
- The top names of 2016The year the most babies were named Thaddeus.
- The names of Generation AlphaMost people named Thaddeus alive today were born 2013-2025.
- Names starting with TMost given first.