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 1963
No state had 5 or more boys named Brennan in 1963, so the SSA doesn't publish it for any state.
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 1963
Top boys' names in 1963
More about 1963
boys
2,031,078 boys got a published name in 1963; 1 in 63,471 of them was named Brennan, which outranked 70.2% of the 4,621 boys' names that year. The ten most popular names covered 28.7% of boys (44.2% in 1880, 8.0% in 2025).
- #1,354Nickey33
- #1,354Winford33
- #1,354Zack33
- #1,375Brennan32
- #1,375Ari32
- #1,375Bo32
- #1,375Carolyn32
- #1,403Bertrand31
- #1,403Buster31
- #1,403Chandler31
Tied with 27 names at #1,375; 3 shown. Tied names share a rank, as in SSA's lists.
Among names in the top 1,000 of either year.