Brennan
#9,457 for girls in 2025, 10 births · #1,002 for boys in 2025, 226 births
Given to boys 93.7% of the time
- Peak · boys
- 2009 · 1,464 births
- Debut · boys
- 5 births
- In top 100 · boys
- neverof 146 years
- Total births · boys
- 33,258since 1916
Brennan over time
Rank within each sex, plotted together. Click any year to open it.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | girls | boys | ||
|---|---|---|---|---|
| rank | births | rank | births | |
| 2025 | #9,457 | 10 | #1,002 | 226 |
| 2024 | #6,167 | 19 | #1,057 | 207 |
| 2023 | #6,922 | 16 | #1,024 | 213 |
| 2022 | #5,028 | 26 | #995 | 224 |
| 2021 | #4,507 | 30 | #871 | 265 |
| 2020 | #4,263 | 32 | #764 | 315 |
| 2019 | #4,343 | 32 | #719 | 340 |
| 2018 | #4,562 | 30 | #661 | 382 |
| 2017 | #3,479 | 44 | #585 | 464 |
| 2016 | #4,157 | 35 | #534 | 549 |
| 2015 | #3,767 | 40 | #444 | 690 |
| 2014 | #2,969 | 57 | #387 | 806 |
| 2013 | #2,661 | 66 | #345 | 927 |
| 2012 | #2,495 | 73 | #318 | 1,011 |
| 2011 | #2,173 | 87 | #293 | 1,177 |
| 2010 | #2,341 | 81 | #270 | 1,279 |
| 2009 | #2,270 | 86 | #242 | 1,464 |
| 2008 | #2,334 | 83 | #263 | 1,316 |
| 2007 | #2,034 | 100 | #286 | 1,207 |
| 2006 | #2,602 | 69 | #299 | 1,116 |
| 2005 | #3,257 | 47 | #312 | 1,054 |
| 2004 | #2,620 | 63 | #300 | 1,061 |
| 2003 | #3,472 | 41 | #276 | 1,127 |
| 2002 | #2,642 | 58 | #273 | 1,121 |
| 2001 | #2,540 | 60 | #274 | 1,121 |
| 2000 | #3,216 | 42 | #276 | 1,158 |
| 1999 | #2,471 | 58 | #270 | 1,106 |
| 1998 | #2,188 | 65 | #274 | 1,051 |
| 1997 | #2,481 | 52 | #288 | 967 |
| 1996 | #2,229 | 60 | #297 | 895 |
| 1995 | #2,155 | 62 | #288 | 916 |
| 1994 | #1,862 | 76 | #329 | 756 |
| 1993 | #2,267 | 57 | #356 | 663 |
| 1992 | #2,513 | 50 | #368 | 642 |
| 1991 | #2,388 | 53 | #346 | 698 |
| 1990 | #2,799 | 41 | #382 | 606 |
| 1989 | #3,165 | 33 | #446 | 445 |
| 1988 | #3,393 | 28 | #421 | 460 |
| 1987 | #2,852 | 34 | #428 | 422 |
| 1986 | #3,054 | 30 | #520 | 292 |
| 1985 | #3,983 | 20 | #553 | 253 |
| 1984 | #3,069 | 28 | #562 | 232 |
| 1983 | #3,242 | 25 | #633 | 182 |
| 1982 | #4,025 | 19 | #706 | 152 |
| 1981 | #4,963 | 14 | #735 | 139 |
| 1980 | #3,506 | 23 | #737 | 142 |
| 1979 | #4,420 | 16 | #740 | 136 |
| 1978 | #4,242 | 16 | #760 | 123 |
| 1977 | #6,892 | 8 | #819 | 108 |
| 1976 | #5,601 | 10 | #838 | 99 |
| 1975 | #5,161 | 11 | #822 | 102 |
| 1974 | #6,900 | 7 | #849 | 89 |
| 1973 | #7,435 | 6 | #971 | 69 |
| 1972 | — | #1,069 | 57 | |
| 1971 | — | #920 | 78 | |
| 1970 | — | #931 | 73 | |
| 1969 | — | #944 | 66 | |
| 1968 | — | #958 | 58 | |
| 1967 | — | #992 | 53 | |
| 1966 | — | #998 | 53 | |
| 1965 | — | #1,271 | 36 | |
| 1964 | — | #1,435 | 30 | |
| 1963 | — | #1,375 | 32 | |
| 1962 | — | #1,625 | 24 | |
| 1961 | — | #1,602 | 25 | |
| 1960 | — | #1,973 | 17 | |
| 1959 | — | #2,530 | 11 | |
| 1958 | — | #2,177 | 14 | |
| 1957 | — | #2,822 | 9 | |
| 1956 | — | #2,497 | 11 | |
| 1955 | — | #2,558 | 10 | |
| 1954 | — | #2,942 | 8 | |
| 1953 | — | #3,425 | 6 | |
| 1952 | — | — | ||
| 1951 | — | #3,714 | 5 | |
| 1950 | — | #3,329 | 6 | |
| 1949 | — | #3,298 | 6 | |
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| 1916 | — | #3,897 | 5 | |
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| 1880 | — | — | ||
The first year at least five boys were named Brennan! It came in at #3,897, and was given to 5 baby boys.
Quietest stretch: 1916–1948, when fewer than 6 boys a year got the name.
Where Brennan is popular in 2017
- Rank in state
- Top 10
- 11–50
- 51–100
- 101–500
- 501+
- Not published
Hover or tap a state for its numbers.
- Louisiana#210 · 1 in 795
- Kentucky#316 · 1 in 1,442
- Massachusetts#369 · 1 in 2,217
- Pennsylvania#406 · 1 in 2,425
- Michigan#421 · 1 in 2,321
Best ever in a state: #65 in Hawaii, 2008.
Show every state
| State | Rank | Births | Share |
|---|---|---|---|
| Louisiana | #210 | 30 | 1 in 795 |
| Kentucky | #316 | 15 | 1 in 1,442 |
| Massachusetts | #369 | 13 | 1 in 2,217 |
| Pennsylvania | #406 | 24 | 1 in 2,425 |
| Michigan | #421 | 20 | 1 in 2,321 |
| Virginia | #422 | 17 | 1 in 2,397 |
| Wisconsin | #453 | 11 | 1 in 2,363 |
| Missouri | #462 | 12 | 1 in 2,550 |
| Alabama | #471 | 9 | 1 in 2,541 |
| Georgia | #492 | 19 | 1 in 2,826 |
| Maryland | #502 | 10 | 1 in 2,651 |
| Nevada | #502 | 5 | 1 in 2,623 |
| Tennessee | #511 | 12 | 1 in 3,022 |
| Illinois | #527 | 20 | 1 in 3,096 |
| South Carolina | #531 | 7 | 1 in 3,000 |
| Oklahoma | #547 | 7 | 1 in 2,763 |
| Iowa | #559 | 5 | 1 in 2,972 |
| New York | #574 | 26 | 1 in 3,752 |
| Indiana | #579 | 10 | 1 in 3,445 |
| North Carolina | #587 | 14 | 1 in 3,666 |
| New Jersey | #609 | 10 | 1 in 4,085 |
| Ohio | #657 | 13 | 1 in 4,489 |
| Texas | #657 | 37 | 1 in 4,761 |
| Minnesota | #699 | 6 | 1 in 4,512 |
| Florida | #787 | 16 | 1 in 6,042 |
| California | #799 | 31 | 1 in 6,958 |
| Washington | #858 | 6 | 1 in 5,926 |
| Arizona | #868 | 5 | 1 in 6,925 |
| Alaska | — | — | — |
| Arkansas | — | — | — |
| Colorado | — | — | — |
| Connecticut | — | — | — |
| Delaware | — | — | — |
| District of Columbia | — | — | — |
| Hawaii | — | — | — |
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| Utah | — | — | — |
| Vermont | — | — | — |
| West Virginia | — | — | — |
| Wyoming | — | — | — |
Ranks are within each state; “1 in N” is out of the boys born there that year. The SSA only publishes a name in a state when 5 or more babies of one sex got it.
See more about Brennan
- 55 spots since 2024 (#1,057 → #1,002)
- 238 spots since 2020 (#764 → #1,002)
- 558 spots since 2015 (#444 → #1,002)
- Biggest jump: 273 spots in 1966 (#1,271 → #998)
- Biggest drop: 149 spots in 1972 (#920 → #1,069)
- Debuted 1916
- Peaked 2009 at #242 (1,464 births)
- Births halved by 2015, 6 yrs later
- Top 10: never
- Top 100: never
- Top 1,000: 56 yrs · run 1973–2022
- Highest: 1 in 1,355 boys born in 2009 were named Brennan (0.07%)
- Latest: 1 in 7,558 boys born in 2025 (0.01%)
- 35.3% of all boys named Brennan (11,745) were born in this decade
- The majority has never changed
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 1910s | 5 | #3,897 (1916) | #3,897 |
| 1920s | 0 | — | — |
| 1930s | 0 | — | — |
| 1940s | 6 | #3,298 (1949) | #3,298 |
| 1950s | 80 | #2,177 (1958) | #2,888 |
| 1960s | 394 | #944 (1969) | #1,317 |
| 1970s | 934 | #740 (1979) | #872 |
| 1980s | 2,719 | #421 (1988) | #574 |
| 1990s | 8,300 | #270 (1999) | #320 |
| 2000s | 11,745 | #242 (2009) | #280 |
| 2010s | 7,625 | #270 (2010) | #456 |
| 2020s | 1,450 | #764 (2020) | #952 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Brennan in 2017
Top girls' names in 2017
Top boys' names in 2017
More about 2017
girls
1,726,461 girls got a published name in 2017; 1 in 39,238 of them was named Brennan, which outranked 81.1% of the 18,448 girls' names that year. The ten most popular names covered 8.4% of girls (24.6% in 1880, 7.0% in 2025).
- #3,436Tru45
- #3,436Vaani45
- #3,436Zaelynn45
- #3,479Brennan44
- #3,479Addeline44
- #3,479Aiden44
- #3,479Aletheia44
- #3,552Aaniyah43
- #3,552Adison43
- #3,552Ailen43
Tied with 72 names at #3,479; 3 shown. Tied names share a rank, as in SSA's lists.
- ↓ 263Julianne#919 → #1,182
- ↓ 243Milania#947 → #1,190
- ↓ 240Wendy#858 → #1,098
- ↓ 238Montserrat#808 → #1,046
- ↓ 224Nathaly#930 → #1,154
Among names in the top 1,000 of either year.
boys
1,850,956 boys got a published name in 2017; 1 in 3,989 of them was named Brennan, which outranked 95.9% of the 14,262 boys' names that year. The ten most popular names covered 8.0% of boys (44.2% in 1880, 8.0% in 2025).
Among names in the top 1,000 of either year.