Meaning not yet researched.
Tadeo: US boys given the name each year, 1880 to 2025, from Social Security card applications. 753 in 2025. Its best rank was #412 in 2024.
US births per year · SSA card applications
Peaked at #412 in 2024; #427 in 2025. Every baby recorded as Tadeo in 2025 was a boy.
Baby name · US data 1880–2025
#427 for US boys in 2025. Its best year was 2024, at #412.
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.
Tadeo: US boys given the name each year from 1880 to 2025. 753 boys in 2025. Peak: #412 in 2024 · most boys in one year: 782 (2024).
In 2025, 753 US boys were named Tadeo, making it the 427th most common boys’ name of the year, down 15 places from #412 in 2024. That is 29 fewer than the 782 boys named Tadeo in 2024. Its best rank for boys was #412, reached in 2024. That year also had the most boys given the name: 782. For comparison, it was #1,056 in 2015 and unranked in 1950.
Social Security card records list Tadeo in 37 years of the 146 from 1880 to 2025, starting in 1968 with 5 babies. In all, 5,843 US babies have been given the name, all of them boys. Its busiest decade was the 2020s, with 3,571 babies named Tadeo.
Over the 10 years from 2016 to 2025, 4,655 US boys were named Tadeo; the busiest of those years was 2024, with 782. In 2025 that was about 1 in 2,268 of the boys in SSA’s list for the year.
Among the states, Tadeo ranked highest in California in 2025, at #192 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Thaddeus (26,089 babies since 1880). Rarer spellings such as Thadeo, Tadei and Tadeh are summarised on this page.
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.
Rare spellings summarised here: Thadeo (126), Tadei (23), Tadeh (21), Tadey (12).
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.
No nicknames listed for Tadeo in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so 19 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| California | 192 | #192 | #706 |
| Arizona | 36 | #231 | #557 |
| Texas | 155 | #253 | #471 |
| Oregon | 16 | #279 | — |
| Washington | 25 | #307 | — |
| New Mexico | 7 | #308 | — |
| Illinois | 35 | #314 | #822 |
| Idaho | 7 | #370 | — |
| Arkansas | 9 | #395 | — |
| Colorado | 16 | #397 | — |
| Georgia | 28 | #413 | — |
| North Carolina | 27 | #415 | — |
| Nevada | 7 | #438 | — |
| Alabama | 12 | #447 | — |
| South Carolina | 11 | #467 | — |
| Kansas | 6 | #581 | — |
| Utah | 7 | #613 | — |
| Tennessee | 12 | #633 | — |
| Missouri | 9 | #644 | — |
| Iowa | 5 | #652 | — |
| Wisconsin | 7 | #676 | — |
| Oklahoma | 6 | #691 | — |
| Kentucky | 6 | #696 | — |
| Ohio | 13 | #708 | — |
| Minnesota | 6 | #797 | — |
| Pennsylvania | 10 | #838 | — |
| Florida | 18 | #843 | #1,175 |
| Virginia | 8 | #869 | — |
| New York | 16 | #881 | — |
| Michigan | 8 | #892 | — |
| New Jersey | 7 | #905 | — |
| Indiana | 6 | #933 | — |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | — | — | 753 | #427 |
| 2024 | — | — | 782 | #412 |
| 2023 | — | — | 642 | #473 |
| 2022 | — | — | 568 | #522 |
| 2021 | — | — | 465 | #598 |
| 2020 | — | — | 361 | #704 |
| 2019 | — | — | 331 | #731 |
| 2018 | — | — | 266 | #839 |
| 2017 | — | — | 266 | #834 |
| 2016 | — | — | 221 | #945 |
| 2015 | — | — | 189 | #1,056 |
| 2014 | — | — | 189 | #1,053 |
| 2013 | — | — | 152 | #1,184 |
| 2012 | — | — | 95 | #1,634 |
| 2011 | — | — | 80 | #1,807 |
| 2010 | — | — | 58 | #2,257 |
| 2009 | — | — | 42 | #2,887 |
| 2008 | — | — | 59 | #2,258 |
| 2007 | — | — | 48 | #2,595 |
| 2006 | — | — | 49 | #2,506 |
| 2005 | — | — | 33 | #3,161 |
| 2004 | — | — | 30 | #3,275 |
| 2003 | — | — | 34 | #2,918 |
| 2002 | — | — | 24 | #3,653 |
| 2001 | — | — | 18 | #4,444 |
| 2000 | — | — | 11 | #6,254 |
| 1999 | — | — | 12 | #5,609 |
| 1998 | — | — | 9 | #6,769 |
| 1997 | — | — | 5 | #10,612 |
| 1993 | — | — | 9 | #6,163 |
| 1992 | — | — | 5 | #9,646 |
| 1991 | — | — | 8 | #6,441 |
| 1990 | — | — | 5 | #9,338 |
| 1989 | — | — | 7 | #6,846 |
| 1987 | — | — | 6 | #6,843 |
| 1986 | — | — | 6 | #6,629 |
| 1968 | — | — | 5 | #4,672 |
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).