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 1999
- Rank in state
- Top 10
- 11–50
- 51–100
- 101–500
- 501+
- Not published
Hover or tap a state for its numbers.
- Louisiana#72 · 1 in 311
- Michigan#148 · 1 in 764
- South Dakota#150 · 1 in 580
- Utah#169 · 1 in 736
- Alaska#172 · 1 in 678
Best ever in a state: #65 in Hawaii, 2008.
Show every state
| State | Rank | Births | Share |
|---|---|---|---|
| Louisiana | #72 | 88 | 1 in 311 |
| Michigan | #148 | 77 | 1 in 764 |
| South Dakota | #150 | 7 | 1 in 580 |
| Utah | #169 | 28 | 1 in 736 |
| Alaska | #172 | 5 | 1 in 678 |
| Iowa | #174 | 20 | 1 in 830 |
| Idaho | #180 | 11 | 1 in 695 |
| West Virginia | #185 | 8 | 1 in 1,107 |
| Missouri | #186 | 35 | 1 in 975 |
| Minnesota | #189 | 27 | 1 in 1,077 |
| Arkansas | #192 | 16 | 1 in 898 |
| Massachusetts | #193 | 26 | 1 in 1,395 |
| Connecticut | #197 | 14 | 1 in 1,302 |
| Tennessee | #199 | 31 | 1 in 1,166 |
| Kentucky | #201 | 19 | 1 in 1,235 |
| Nebraska | #206 | 10 | 1 in 1,004 |
| Mississippi | #207 | 15 | 1 in 1,014 |
| Hawaii | #213 | 6 | 1 in 836 |
| Indiana | #220 | 30 | 1 in 1,281 |
| Ohio | #220 | 47 | 1 in 1,476 |
| Kansas | #221 | 15 | 1 in 1,081 |
| Wisconsin | #221 | 22 | 1 in 1,331 |
| Oregon | #223 | 19 | 1 in 1,042 |
| Colorado | #232 | 24 | 1 in 1,137 |
| Oklahoma | #244 | 16 | 1 in 1,264 |
| Pennsylvania | #245 | 38 | 1 in 1,738 |
| Arizona | #257 | 27 | 1 in 1,340 |
| Virginia | #260 | 23 | 1 in 1,732 |
| Washington | #271 | 24 | 1 in 1,440 |
| Maryland | #283 | 16 | 1 in 1,775 |
| New Mexico | #292 | 7 | 1 in 1,541 |
| Illinois | #293 | 45 | 1 in 1,773 |
| North Carolina | #310 | 25 | 1 in 1,969 |
| Alabama | #327 | 12 | 1 in 2,079 |
| Florida | #347 | 37 | 1 in 2,347 |
| Nevada | #347 | 6 | 1 in 1,963 |
| California | #364 | 84 | 1 in 2,879 |
| Georgia | #407 | 20 | 1 in 2,690 |
| Texas | #411 | 57 | 1 in 2,889 |
| New Jersey | #425 | 13 | 1 in 3,649 |
| New York | #446 | 32 | 1 in 3,554 |
| South Carolina | #478 | 6 | 1 in 3,427 |
| Delaware | — | — | — |
| District of Columbia | — | — | — |
| Maine | — | — | — |
| Montana | — | — | — |
| New Hampshire | — | — | — |
| North Dakota | — | — | — |
| Rhode Island | — | — | — |
| Vermont | — | — | — |
| 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 1999
Top girls' names in 1999
Top boys' names in 1999
More about 1999
girls
1,773,823 girls got a published name in 1999; 1 in 30,583 of them was named Brennan, which outranked 85.4% of the 16,947 girls' names that year. The ten most popular names covered 10.7% of girls (24.6% in 1880, 7.0% in 2025).
- #2,438Tamra59
- #2,438Tiyana59
- #2,438Yaneli59
- #2,471Brennan58
- #2,471Aleesha58
- #2,471Amal58
- #2,471Arabella58
- #2,501Anayeli57
- #2,501Arika57
- #2,501Brylee57
Tied with 29 names at #2,471; 3 shown. Tied names share a rank, as in SSA's lists.
Among names in the top 1,000 of either year.
boys
1,920,150 boys got a published name in 1999; 1 in 1,736 of them was named Brennan, which outranked 97.7% of the 11,614 boys' names that year. The ten most popular names covered 14.1% of boys (44.2% in 1880, 8.0% in 2025).
Among names in the top 1,000 of either year.