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

Showing
Show data for
Peak · boys
2009 · 1,464 births
Debut · boys
5 births
In top 100 · boys
never
of 146 years
Total births · boys
33,258
since 1916

Brennan over time

girlsboys

Rank within each sex, plotted together. Click any year to open it.

#1#10#100#1,000#10,000rank188019001920194019601980200020202001peak #1,862, 1994peak #242, 2009girlsboys
Hover or use arrow keys to read values by year; click or press Enter to open that year.

Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.

Show data table
Yeargirlsboys
rankbirthsrankbirths
2025#9,45710#1,002226
2024#6,16719#1,057207
2023#6,92216#1,024213
2022#5,02826#995224
2021#4,50730#871265
2020#4,26332#764315
2019#4,34332#719340
2018#4,56230#661382
2017#3,47944#585464
2016#4,15735#534549
2015#3,76740#444690
2014#2,96957#387806
2013#2,66166#345927
2012#2,49573#3181,011
2011#2,17387#2931,177
2010#2,34181#2701,279
2009#2,27086#2421,464
2008#2,33483#2631,316
2007#2,034100#2861,207
2006#2,60269#2991,116
2005#3,25747#3121,054
2004#2,62063#3001,061
2003#3,47241#2761,127
2002#2,64258#2731,121
2001#2,54060#2741,121
2000#3,21642#2761,158
1999#2,47158#2701,106
1998#2,18865#2741,051
1997#2,48152#288967
1996#2,22960#297895
1995#2,15562#288916
1994#1,86276#329756
1993#2,26757#356663
1992#2,51350#368642
1991#2,38853#346698
1990#2,79941#382606
1989#3,16533#446445
1988#3,39328#421460
1987#2,85234#428422
1986#3,05430#520292
1985#3,98320#553253
1984#3,06928#562232
1983#3,24225#633182
1982#4,02519#706152
1981#4,96314#735139
1980#3,50623#737142
1979#4,42016#740136
1978#4,24216#760123
1977#6,8928#819108
1976#5,60110#83899
1975#5,16111#822102
1974#6,9007#84989
1973#7,4356#97169
1972—#1,06957
1971—#92078
1970—#93173
1969—#94466
1968—#95858
1967—#99253
1966—#99853
1965—#1,27136
1964—#1,43530
1963—#1,37532
1962—#1,62524
1961—#1,60225
1960—#1,97317
1959—#2,53011
1958—#2,17714
1957—#2,8229
1956—#2,49711
1955—#2,55810
1954—#2,9428
1953—#3,4256
1952——
1951—#3,7145
1950—#3,3296
1949—#3,2986
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1916—#3,8975
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First appearance
1916

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 2001

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Brennan, so not publishedAKMaine: #200 for boys · 5 births · 1 in 1,132 boysMEVermont: fewer than 5 boys named Brennan, so not publishedVTNew Hampshire: #196 for boys · 5 births · 1 in 1,150 boysNHWashington: #246 for boys · 26 births · 1 in 1,298 boysWAIdaho: #209 for boys · 9 births · 1 in 864 boysIDMontana: #200 for boys · 5 births · 1 in 764 boysMTNorth Dakota: fewer than 5 boys named Brennan, so not publishedNDMinnesota: #215 for boys · 24 births · 1 in 1,217 boysMNIllinois: #272 for boys · 49 births · 1 in 1,637 boysILWisconsin: #191 for boys · 30 births · 1 in 965 boysWIMichigan: #185 for boys · 60 births · 1 in 974 boysMINew York: #297 for boys · 57 births · 1 in 1,958 boysNYMassachusetts: #223 for boys · 22 births · 1 in 1,617 boysMARhode Island: fewer than 5 boys named Brennan, so not publishedRIOregon: #242 for boys · 18 births · 1 in 1,079 boysORNevada: #343 for boys · 6 births · 1 in 2,063 boysNVWyoming: fewer than 5 boys named Brennan, so not publishedWYSouth Dakota: fewer than 5 boys named Brennan, so not publishedSDIowa: #175 for boys · 21 births · 1 in 765 boysIAIndiana: #249 for boys · 27 births · 1 in 1,423 boysINOhio: #190 for boys · 64 births · 1 in 1,066 boysOHPennsylvania: #239 for boys · 40 births · 1 in 1,604 boysPANew Jersey: #445 for boys · 13 births · 1 in 3,703 boysNJConnecticut: #241 for boys · 11 births · 1 in 1,637 boysCTCalifornia: #391 for boys · 82 births · 1 in 2,984 boysCAUtah: #220 for boys · 21 births · 1 in 1,010 boysUTColorado: #280 for boys · 20 births · 1 in 1,459 boysCONebraska: #215 for boys · 10 births · 1 in 1,008 boysNEMissouri: #200 for boys · 30 births · 1 in 1,114 boysMOKentucky: #160 for boys · 28 births · 1 in 831 boysKYWest Virginia: fewer than 5 boys named Brennan, so not publishedWVVirginia: #293 for boys · 22 births · 1 in 1,854 boysVAMaryland: #262 for boys · 18 births · 1 in 1,572 boysMDDelaware: fewer than 5 boys named Brennan, so not publishedDEArizona: #294 for boys · 23 births · 1 in 1,645 boysAZNew Mexico: #362 for boys · 5 births · 1 in 2,110 boysNMKansas: #202 for boys · 19 births · 1 in 851 boysKSArkansas: fewer than 5 boys named Brennan, so not publishedARTennessee: #243 for boys · 25 births · 1 in 1,430 boysTNNorth Carolina: #408 for boys · 18 births · 1 in 2,805 boysNCSouth Carolina: #374 for boys · 9 births · 1 in 2,284 boysSCDistrict of Columbia: fewer than 5 boys named Brennan, so not publishedDCOklahoma: #209 for boys · 20 births · 1 in 1,015 boysOKLouisiana: #83 for boys · 76 births · 1 in 343 boysLAMississippi: #206 for boys · 15 births · 1 in 979 boysMSAlabama: #264 for boys · 16 births · 1 in 1,508 boysALGeorgia: #312 for boys · 31 births · 1 in 1,793 boysGAHawaii: #233 for boys · 5 births · 1 in 939 boysHITexas: #389 for boys · 65 births · 1 in 2,645 boysTXFlorida: #340 for boys · 43 births · 1 in 2,089 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Louisiana#83 · 1 in 343
  2. Kentucky#160 · 1 in 831
  3. Iowa#175 · 1 in 765
  4. Michigan#185 · 1 in 974
  5. Ohio#190 · 1 in 1,066

Best ever in a state: #65 in Hawaii, 2008.

Show every state
StateRankBirthsShare
Louisiana#83761 in 343
Kentucky#160281 in 831
Iowa#175211 in 765
Michigan#185601 in 974
Ohio#190641 in 1,066
Wisconsin#191301 in 965
New Hampshire#19651 in 1,150
Maine#20051 in 1,132
Missouri#200301 in 1,114
Montana#20051 in 764
Kansas#202191 in 851
Mississippi#206151 in 979
Idaho#20991 in 864
Oklahoma#209201 in 1,015
Minnesota#215241 in 1,217
Nebraska#215101 in 1,008
Utah#220211 in 1,010
Massachusetts#223221 in 1,617
Hawaii#23351 in 939
Pennsylvania#239401 in 1,604
Connecticut#241111 in 1,637
Oregon#242181 in 1,079
Tennessee#243251 in 1,430
Washington#246261 in 1,298
Indiana#249271 in 1,423
Maryland#262181 in 1,572
Alabama#264161 in 1,508
Illinois#272491 in 1,637
Colorado#280201 in 1,459
Virginia#293221 in 1,854
Arizona#294231 in 1,645
New York#297571 in 1,958
Georgia#312311 in 1,793
Florida#340431 in 2,089
Nevada#34361 in 2,063
New Mexico#36251 in 2,110
South Carolina#37491 in 2,284
Texas#389651 in 2,645
California#391821 in 2,984
North Carolina#408181 in 2,805
New Jersey#445131 in 3,703
Alaska———
Arkansas———
Delaware———
District of Columbia———
North Dakota———
Rhode Island———
South Dakota———
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
Momentum · boys
Falling
  • 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)
Rise & fade · boys
93 yrs to peak
  • Debuted 1916
  • Peaked 2009 at #242 (1,464 births)
  • Births halved by 2015, 6 yrs later
Top of the charts · boys
Top 1,000 for 56 yrs
  • Top 10: never
  • Top 100: never
  • Top 1,000: 56 yrs · run 1973–2022
Share of babies · boys
1 in 1,355
  • 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%)
Era · boys
The 2000s
  • 35.3% of all boys named Brennan (11,745) were born in this decade
Girls or boys?
Never flipped
  • The majority has never changed
all girlsall boys
Show by decade
DecadeBirthsBest rankAvg rank
1910s5#3,897 (1916)#3,897
1920s0——
1930s0——
1940s6#3,298 (1949)#3,298
1950s80#2,177 (1958)#2,888
1960s394#944 (1969)#1,317
1970s934#740 (1979)#872
1980s2,719#421 (1988)#574
1990s8,300#270 (1999)#320
2000s11,745#242 (2009)#280
2010s7,625#270 (2010)#456
2020s1,450#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 2001

girls
#2,540
60 births · 1 in 30,010 girls
boys
#274
1,121 births · 1 in 1,733 boys

Top girls' names in 2001

  1. #1Emily25,059
  2. #2Madison22,166
  3. #3Hannah20,723
  4. #4Ashley16,531
  5. #5Alexis16,404
  6. #6Sarah15,929
  7. #7Samantha15,867
  8. #8Abigail14,807
  9. #9Elizabeth14,792
  10. #10Olivia13,977
  11. #2,540Brennan60

Top boys' names in 2001

  1. #1Jacob32,573
  2. #2Michael29,689
  3. #3Matthew26,812
  4. #4Joshua26,024
  5. #5Christopher23,132
  6. #6Nicholas22,849
  7. #7Andrew22,422
  8. #8Joseph22,030
  9. #9Daniel21,013
  10. #10William20,110
  11. #274Brennan1,121
More about 2001

girls

1,800,624 girls got a published name in 2001; 1 in 30,010 of them was named Brennan, which outranked 85.9% of the 17,978 girls' names that year. The ten most popular names covered 9.8% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Brennan
  1. #2,512Sayra61
  2. #2,512Taleah61
  3. #2,512Yovana61
  4. #2,540Brennan60
  5. #2,540Agnes60
  6. #2,540Aleyah60
  7. #2,540Amariah60
  8. #2,571Aleisha59
  9. #2,571Avianna59
  10. #2,571Chava59

Tied with 30 names at #2,540; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 2000
Risers
  1. ↑ 1,602Dafne#2,569 → #967
  2. ↑ 1,493Nevaeh#1,759 → #266
  3. ↑ 1,339Jimena#2,213 → #874
  4. ↑ 1,263Taina#2,174 → #911
  5. ↑ 1,069Yuliana#1,759 → #690
Fallers
  1. ↓ 913Dariana#837 → #1,750
  2. ↓ 368Cortney#825 → #1,193
  3. ↓ 362Maiya#994 → #1,356
  4. ↓ 313Rosalinda#701 → #1,014
  5. ↓ 307Ivana#863 → #1,170

Among names in the top 1,000 of either year.

boys

1,942,881 boys got a published name in 2001; 1 in 1,733 of them was named Brennan, which outranked 97.8% of the 12,307 boys' names that year. The ten most popular names covered 12.7% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Brennan
  1. #271Keegan1,158
  2. #272Gustavo1,141
  3. #273Curtis1,124
  4. #274Brennan1,121
  5. #275Fabian1,111
  6. #276Dominick1,110
  7. #277Jimmy1,106
Biggest movers since 2000
Risers
  1. ↑ 5,879Jaheim#6,316 → #437
  2. ↑ 1,128Imanol#2,049 → #921
  3. ↑ 730Jagger#1,391 → #661
  4. ↑ 539Maximus#850 → #311
  5. ↑ 461Daunte#1,429 → #968
Fallers
  1. ↓ 476Tyreek#914 → #1,390
  2. ↓ 466Tyrique#949 → #1,415
  3. ↓ 456Infant#765 → #1,221
  4. ↓ 423Deion#893 → #1,316
  5. ↓ 291Nicklaus#986 → #1,277

Among names in the top 1,000 of either year.

See the top 100 for 2001 →