Meaning not yet researched.
Brennan: US boys given the name each year, 1880 to 2025, from Social Security card applications. 226 in 2025. Its best rank was #242 in 2009.
US births per year · SSA card applications
Peaked at #242 in 2009; #1,003 in 2025. About 96% of babies named Brennan in 2025 were boys.
Baby name · US data 1880–2025
#1,003 for US boys in 2025. Its best year was 2009, at #242.
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.
Brennan: US boys given the name each year from 1880 to 2025. 226 boys in 2025. Peak: #242 in 2009 · most boys in one year: 1,464 (2009).
In 2025, 226 US boys were named Brennan, making it the 1,003rd most common boys’ name of the year, up 54 places from #1,057 in 2024. That is 19 more than the 207 boys named Brennan in 2024. Its best rank for boys was #242, reached in 2009. That year also had the most boys given the name: 1,464. For comparison, it was #444 in 2015 and #3,364 in 1950.
Social Security card records list Brennan in 77 years of the 146 from 1880 to 2025, starting in 1916 with 5 babies. In all, 35,487 US babies have been given the name, 6.3% of them girls and 94% boys. Its busiest decade was the 2000s, with 12,394 babies named Brennan.
Over the 10 years from 2016 to 2025, 3,185 US boys were named Brennan; the busiest of those years was 2016, with 549. In 2025 that was about 1 in 7,558 of the boys in SSA’s list for the year.
Among the states, Brennan ranked highest in Louisiana in 2025, at #537 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Brennen (9,217 babies since 1880) and Brennon (4,382 babies since 1880). Rarer spellings such as Brenan, Brenen and Brennyn 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: Brenan (833), Brenen (318), Brennyn (278), Brenon (266), Brennin (207), Brenin (205), Brynnan (165), Brenyn (150), Breannon (42), Brynnen (22), Briannan (10).
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 Brennan 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 33 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Louisiana | 8 | #537 | #209 |
| Arkansas | 5 | #561 | #310 |
| Virginia | 13 | #566 | #430 |
| Iowa | 5 | #587 | #459 |
| Wisconsin | 7 | #629 | #513 |
| North Carolina | 14 | #650 | #383 |
| Tennessee | 10 | #678 | #315 |
| Pennsylvania | 12 | #708 | #316 |
| New Jersey | 8 | #781 | #399 |
| Missouri | 6 | #799 | #349 |
| Massachusetts | 5 | #799 | #291 |
| Illinois | 10 | #812 | #453 |
| Colorado | 5 | #866 | #557 |
| New York | 11 | #1,064 | #468 |
| Ohio | 6 | #1,130 | #291 |
| Florida | 11 | #1,134 | #536 |
| Texas | 18 | #1,174 | #610 |
| California | 12 | #1,453 | #763 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 10 | #9,557 | 226 | #1,003 |
| 2024 | 19 | #6,212 | 207 | #1,057 |
| 2023 | 16 | #6,987 | 213 | #1,025 |
| 2022 | 26 | #5,045 | 224 | #995 |
| 2021 | 30 | #4,528 | 265 | #872 |
| 2020 | 32 | #4,282 | 315 | #764 |
| 2019 | 32 | #4,359 | 340 | #719 |
| 2018 | 30 | #4,578 | 382 | #661 |
| 2017 | 44 | #3,493 | 464 | #585 |
| 2016 | 35 | #4,176 | 549 | #534 |
| 2015 | 40 | #3,783 | 690 | #444 |
| 2014 | 57 | #2,973 | 806 | #387 |
| 2013 | 66 | #2,665 | 927 | #345 |
| 2012 | 73 | #2,499 | 1,011 | #318 |
| 2011 | 87 | #2,175 | 1,177 | #293 |
| 2010 | 81 | #2,344 | 1,279 | #270 |
| 2009 | 86 | #2,272 | 1,464 | #242 |
| 2008 | 83 | #2,338 | 1,316 | #263 |
| 2007 | 100 | #2,039 | 1,207 | #286 |
| 2006 | 69 | #2,609 | 1,116 | #299 |
| 2005 | 47 | #3,271 | 1,054 | #312 |
| 2004 | 63 | #2,625 | 1,061 | #300 |
| 2003 | 41 | #3,479 | 1,127 | #276 |
| 2002 | 58 | #2,648 | 1,121 | #273 |
| 2001 | 60 | #2,545 | 1,121 | #274 |
| 2000 | 42 | #3,222 | 1,158 | #276 |
| 1999 | 58 | #2,476 | 1,106 | #270 |
| 1998 | 65 | #2,192 | 1,051 | #274 |
| 1997 | 52 | #2,485 | 967 | #288 |
| 1996 | 60 | #2,232 | 895 | #297 |
| 1995 | 62 | #2,160 | 916 | #288 |
| 1994 | 76 | #1,867 | 756 | #329 |
| 1993 | 57 | #2,268 | 663 | #356 |
| 1992 | 50 | #2,520 | 642 | #368 |
| 1991 | 53 | #2,390 | 698 | #346 |
| 1990 | 41 | #2,805 | 606 | #383 |
| 1989 | 33 | #3,177 | 445 | #446 |
| 1988 | 28 | #3,401 | 460 | #422 |
| 1987 | 34 | #2,857 | 422 | #428 |
| 1986 | 30 | #3,066 | 292 | #520 |
| 1985 | 20 | #3,995 | 253 | #553 |
| 1984 | 28 | #3,079 | 232 | #562 |
| 1983 | 25 | #3,254 | 182 | #634 |
| 1982 | 19 | #4,043 | 152 | #706 |
| 1981 | 14 | #4,993 | 139 | #735 |
| 1980 | 23 | #3,519 | 142 | #737 |
| 1979 | 16 | #4,437 | 136 | #741 |
| 1978 | 16 | #4,275 | 123 | #760 |
| 1977 | 8 | #6,954 | 108 | #819 |
| 1976 | 10 | #5,635 | 99 | #838 |
| 1975 | 11 | #5,192 | 102 | #823 |
| 1974 | 7 | #6,981 | 89 | #850 |
| 1973 | 6 | #7,523 | 69 | #972 |
| 1972 | — | — | 57 | #1,069 |
| 1971 | — | — | 78 | #921 |
| 1970 | — | — | 73 | #932 |
| 1969 | — | — | 66 | #945 |
| 1968 | — | — | 58 | #958 |
| 1967 | — | — | 53 | #994 |
| 1966 | — | — | 53 | #999 |
| 1965 | — | — | 36 | #1,276 |
| 1964 | — | — | 30 | #1,436 |
| 1963 | — | — | 32 | #1,377 |
| 1962 | — | — | 24 | #1,628 |
| 1961 | — | — | 25 | #1,605 |
| 1960 | — | — | 17 | #1,978 |
| 1959 | — | — | 11 | #2,550 |
| 1958 | — | — | 14 | #2,185 |
| 1957 | — | — | 9 | #2,844 |
| 1956 | — | — | 11 | #2,514 |
| 1955 | — | — | 10 | #2,588 |
| 1954 | — | — | 8 | #2,975 |
| 1953 | — | — | 6 | #3,468 |
| 1951 | — | — | 5 | #3,776 |
| 1950 | — | — | 6 | #3,364 |
| 1949 | — | — | 6 | #3,348 |
| 1916 | — | — | 5 | #3,972 |
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).