Meaning not yet researched.
Thaddeus: US boys given the name each year, 1880 to 2025, from Social Security card applications. 314 in 2025. Its best rank was #307 in 1918.
US births per year · SSA card applications
Peaked at #307 in 1918; #798 in 2025. Every baby recorded as Thaddeus in 2025 was a boy.
Baby name · US data 1880–2025
#798 for US boys in 2025. Its best year was 1918, at #307.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Thaddeus: US boys given the name each year from 1880 to 2025. 314 boys in 2025. Peak: #307 in 1918 · most boys in one year: 416 (2016).
In 2025, 314 US boys were named Thaddeus, making it the 798th most common boys’ name of the year, up 55 places from #853 in 2024. That is 29 more than the 285 boys named Thaddeus in 2024. Its best rank for boys was #307, reached in 1918. The most boys given the name in a single year was 416, in 2016. For comparison, it was #705 in 2015 and #456 in 1950.
Social Security card records list Thaddeus in 145 years of the 146 from 1880 to 2025, starting in 1880 with 12 babies. In all, 26,089 US babies have been given the name, 0.1% of them girls and 99.8% boys. Its busiest decade was the 2010s, with 3,090 babies named Thaddeus.
Over the 10 years from 2016 to 2025, 3,232 US boys were named Thaddeus; the busiest of those years was 2016, with 416. In 2025 that was about 1 in 5,440 of the boys in SSA’s list for the year.
Among the states, Thaddeus ranked highest in Nebraska in 2025, at #427 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Thad (8,224 babies since 1880) and Tadeo (5,843 babies since 1880). Rarer spellings such as Thadeus, Thaddaeus and Thaddius are summarised on this page. The open nickname list we use links it to Thad.
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Wikidata records this spelling as a given name in English and Latin. That is where the name is used, not necessarily where it comes from.
Rare spellings summarised here: Thadeus (1,123), Thaddaeus (1,045), Thaddius (593), Thadius (511), Tadeusz (423), Thaddeaus (138), Thaddus (86), Thaddues (55), Thaddeous (45), Tadeus (34), Taddeo (22), Thadeous (17), and more.
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so 23 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Nebraska | 6 | #427 | — |
| Kansas | 8 | #464 | #332 |
| Idaho | 5 | #482 | #378 |
| Colorado | 12 | #498 | #628 |
| Pennsylvania | 19 | #522 | #584 |
| Oklahoma | 8 | #546 | #630 |
| Indiana | 12 | #576 | #786 |
| Oregon | 6 | #594 | — |
| Utah | 7 | #615 | #474 |
| Virginia | 12 | #622 | #537 |
| Minnesota | 8 | #633 | #500 |
| Ohio | 15 | #645 | #508 |
| Iowa | 5 | #653 | #638 |
| New Jersey | 10 | #697 | — |
| Michigan | 11 | #710 | #709 |
| North Carolina | 12 | #766 | #1,287 |
| Arizona | 8 | #775 | #665 |
| Missouri | 7 | #781 | #607 |
| Washington | 8 | #798 | #592 |
| Kentucky | 5 | #806 | — |
| Tennessee | 8 | #831 | #733 |
| South Carolina | 5 | #867 | #583 |
| Wisconsin | 5 | #875 | #546 |
| Georgia | 10 | #916 | #902 |
| Illinois | 9 | #924 | #772 |
| Texas | 26 | #952 | #731 |
| Florida | 13 | #1,048 | #1,021 |
| California | 16 | #1,237 | #840 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 314 | #798 |
| 2024 | — | — | 285 | #853 |
| 2023 | — | — | 260 | #896 |
| 2022 | — | — | 309 | #810 |
| 2021 | — | — | 295 | #817 |
| 2020 | — | — | 297 | #786 |
| 2019 | — | — | 325 | #743 |
| 2018 | — | — | 344 | #709 |
| 2017 | — | — | 387 | #661 |
| 2016 | — | — | 416 | #640 |
| 2015 | — | — | 358 | #705 |
| 2014 | — | — | 328 | #731 |
| 2013 | — | — | 280 | #796 |
| 2012 | — | — | 231 | #900 |
| 2011 | — | — | 223 | #909 |
| 2010 | — | — | 198 | #994 |
| 2009 | — | — | 191 | #1,023 |
| 2008 | — | — | 211 | #953 |
| 2007 | — | — | 228 | #886 |
| 2006 | — | — | 191 | #975 |
| 2005 | — | — | 192 | #918 |
| 2004 | — | — | 189 | #907 |
| 2003 | — | — | 183 | #911 |
| 2002 | — | — | 233 | #745 |
| 2001 | — | — | 214 | #792 |
| 2000 | — | — | 218 | #764 |
| 1999 | — | — | 184 | #827 |
| 1998 | — | — | 188 | #810 |
| 1997 | — | — | 215 | #723 |
| 1996 | — | — | 216 | #724 |
| 1995 | — | — | 203 | #759 |
| 1994 | — | — | 228 | #692 |
| 1993 | — | — | 298 | #595 |
| 1992 | — | — | 250 | #657 |
| 1991 | — | — | 274 | #618 |
| 1990 | — | — | 305 | #579 |
| 1989 | — | — | 294 | #567 |
| 1988 | — | — | 248 | #594 |
| 1987 | — | — | 240 | #585 |
| 1986 | — | — | 270 | #544 |
| 1985 | 5 | #12,350 | 225 | #584 |
| 1984 | — | — | 175 | #654 |
| 1983 | — | — | 223 | #565 |
| 1982 | — | — | 218 | #585 |
| 1981 | 5 | #12,049 | 239 | #548 |
| 1980 | — | — | 267 | #528 |
| 1979 | — | — | 307 | #469 |
| 1978 | — | — | 343 | #430 |
| 1977 | — | — | 258 | #510 |
| 1976 | — | — | 267 | #485 |
| 1975 | — | — | 251 | #505 |
| 1974 | — | — | 236 | #513 |
| 1973 | 6 | #8,341 | 320 | #437 |
| 1972 | — | — | 364 | #416 |
| 1971 | 5 | #9,518 | 321 | #453 |
| 1970 | 5 | #9,230 | 223 | #544 |
| 1969 | — | — | 204 | #550 |
| 1968 | — | — | 203 | #537 |
| 1967 | — | — | 229 | #495 |
| 1966 | — | — | 199 | #546 |
| 1965 | — | — | 180 | #572 |
| 1964 | — | — | 220 | #530 |
| 1963 | — | — | 213 | #545 |
| 1962 | — | — | 212 | #547 |
| 1961 | — | — | 222 | #535 |
| 1960 | — | — | 219 | #536 |
| 1959 | — | — | 208 | #544 |
| 1958 | — | — | 193 | #556 |
| 1957 | — | — | 215 | #530 |
| 1956 | — | — | 256 | #472 |
| 1955 | — | — | 221 | #499 |
| 1954 | — | — | 256 | #451 |
| 1953 | — | — | 211 | #485 |
| 1952 | — | — | 233 | #463 |
| 1951 | — | — | 188 | #495 |
| 1950 | — | — | 211 | #456 |
| 1949 | — | — | 160 | #530 |
| 1948 | — | — | 162 | #521 |
| 1947 | — | — | 167 | #525 |
| 1946 | — | — | 167 | #500 |
| 1945 | — | — | 140 | #505 |
| 1944 | — | — | 124 | #547 |
| 1943 | — | — | 128 | #561 |
| 1942 | — | — | 142 | #515 |
| 1941 | — | — | 116 | #558 |
| 1940 | — | — | 121 | #535 |
| 1939 | — | — | 107 | #555 |
| 1938 | — | — | 108 | #564 |
| 1937 | — | — | 121 | #528 |
| 1936 | — | — | 106 | #561 |
| 1935 | — | — | 92 | #613 |
| 1934 | — | — | 125 | #525 |
| 1933 | — | — | 122 | #511 |
| 1932 | 6 | #4,366 | 121 | #534 |
| 1931 | — | — | 139 | #486 |
| 1930 | — | — | 173 | #450 |
| 1929 | — | — | 163 | #462 |
| 1928 | — | — | 171 | #465 |
| 1927 | — | — | 204 | #426 |
| 1926 | — | — | 234 | #384 |
| 1925 | — | — | 235 | #390 |
| 1924 | — | — | 275 | #361 |
| 1923 | — | — | 288 | #347 |
| 1922 | — | — | 269 | #365 |
| 1921 | — | — | 284 | #357 |
| 1920 | — | — | 298 | #337 |
| 1919 | — | — | 267 | #348 |
| 1918 | — | — | 328 | #307 |
| 1917 | — | — | 268 | #334 |
| 1916 | — | — | 268 | #322 |
| 1915 | — | — | 254 | #331 |
| 1914 | — | — | 156 | #380 |
| 1913 | — | — | 103 | #426 |
| 1912 | — | — | 80 | #438 |
| 1911 | — | — | 40 | #467 |
| 1910 | — | — | 29 | #535 |
| 1909 | — | — | 30 | #470 |
| 1908 | — | — | 18 | #628 |
| 1907 | — | — | 14 | #732 |
| 1906 | — | — | 9 | #915 |
| 1905 | — | — | 10 | #832 |
| 1904 | — | — | 19 | #510 |
| 1903 | — | — | 11 | #728 |
| 1902 | — | — | 16 | #552 |
| 1901 | — | — | 11 | #677 |
| 1900 | — | — | 17 | #621 |
| 1899 | — | — | 19 | #436 |
| 1898 | — | — | 7 | #991 |
| 1897 | — | — | 14 | #580 |
| 1896 | — | — | 9 | #818 |
| 1894 | — | — | 10 | #724 |
| 1893 | — | — | 7 | #898 |
| 1892 | — | — | 11 | #683 |
| 1891 | — | — | 9 | #696 |
| 1890 | — | — | 7 | #873 |
| 1889 | — | — | 10 | #667 |
| 1888 | — | — | 15 | #525 |
| 1887 | — | — | 9 | #675 |
| 1886 | — | — | 8 | #750 |
| 1885 | — | — | 14 | #519 |
| 1884 | — | — | 12 | #568 |
| 1883 | — | — | 11 | #590 |
| 1882 | — | — | 8 | #745 |
| 1881 | — | — | 12 | #530 |
| 1880 | — | — | 12 | #561 |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).