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#10,000rank188019001920194019601980200020201976peak #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 1976

  • Rank in state
  • Top 10
  • 11–50
  • 51–100
  • 101–500
  • 501+
  • Not published
Alaska: fewer than 5 boys named Brennan, so not publishedAKMaine: fewer than 5 boys named Brennan, so not publishedMEVermont: fewer than 5 boys named Brennan, so not publishedVTNew Hampshire: fewer than 5 boys named Brennan, so not publishedNHWashington: fewer than 5 boys named Brennan, so not publishedWAIdaho: fewer than 5 boys named Brennan, so not publishedIDMontana: fewer than 5 boys named Brennan, so not publishedMTNorth Dakota: fewer than 5 boys named Brennan, so not publishedNDMinnesota: fewer than 5 boys named Brennan, so not publishedMNIllinois: #862 for boys · 5 births · 1 in 15,683 boysILWisconsin: fewer than 5 boys named Brennan, so not publishedWIMichigan: fewer than 5 boys named Brennan, so not publishedMINew York: #901 for boys · 7 births · 1 in 16,036 boysNYMassachusetts: fewer than 5 boys named Brennan, so not publishedMARhode Island: fewer than 5 boys named Brennan, so not publishedRIOregon: fewer than 5 boys named Brennan, so not publishedORNevada: fewer than 5 boys named Brennan, so not publishedNVWyoming: fewer than 5 boys named Brennan, so not publishedWYSouth Dakota: fewer than 5 boys named Brennan, so not publishedSDIowa: fewer than 5 boys named Brennan, so not publishedIAIndiana: fewer than 5 boys named Brennan, so not publishedINOhio: fewer than 5 boys named Brennan, so not publishedOHPennsylvania: fewer than 5 boys named Brennan, so not publishedPANew Jersey: fewer than 5 boys named Brennan, so not publishedNJConnecticut: fewer than 5 boys named Brennan, so not publishedCTCalifornia: #836 for boys · 11 births · 1 in 14,426 boysCAUtah: fewer than 5 boys named Brennan, so not publishedUTColorado: fewer than 5 boys named Brennan, so not publishedCONebraska: fewer than 5 boys named Brennan, so not publishedNEMissouri: #414 for boys · 6 births · 1 in 5,500 boysMOKentucky: #382 for boys · 5 births · 1 in 5,325 boysKYWest Virginia: fewer than 5 boys named Brennan, so not publishedWVVirginia: fewer than 5 boys named Brennan, so not publishedVAMaryland: fewer than 5 boys named Brennan, so not publishedMDDelaware: fewer than 5 boys named Brennan, so not publishedDEArizona: fewer than 5 boys named Brennan, so not publishedAZNew Mexico: fewer than 5 boys named Brennan, so not publishedNMKansas: fewer than 5 boys named Brennan, so not publishedKSArkansas: fewer than 5 boys named Brennan, so not publishedARTennessee: fewer than 5 boys named Brennan, so not publishedTNNorth Carolina: fewer than 5 boys named Brennan, so not publishedNCSouth Carolina: fewer than 5 boys named Brennan, so not publishedSCDistrict of Columbia: fewer than 5 boys named Brennan, so not publishedDCOklahoma: fewer than 5 boys named Brennan, so not publishedOKLouisiana: fewer than 5 boys named Brennan, so not publishedLAMississippi: fewer than 5 boys named Brennan, so not publishedMSAlabama: fewer than 5 boys named Brennan, so not publishedALGeorgia: fewer than 5 boys named Brennan, so not publishedGAHawaii: fewer than 5 boys named Brennan, so not publishedHITexas: #806 for boys · 9 births · 1 in 11,952 boysTXFlorida: #576 for boys · 7 births · 1 in 6,741 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Kentucky#382 · 1 in 5,325
  2. Missouri#414 · 1 in 5,500
  3. Florida#576 · 1 in 6,741
  4. Texas#806 · 1 in 11,952
  5. California#836 · 1 in 14,426

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

Show every state
StateRankBirthsShare
Kentucky#38251 in 5,325
Missouri#41461 in 5,500
Florida#57671 in 6,741
Texas#80691 in 11,952
California#836111 in 14,426
Illinois#86251 in 15,683
New York#90171 in 16,036
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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 1976

girls
#5,601
10 births · 1 in 146,510 girls
boys
#838
99 births · 1 in 15,849 boys

Top girls' names in 1976

  1. #1Jennifer59,473
  2. #2Amy31,339
  3. #3Melissa25,094
  4. #4Heather24,192
  5. #5Angela22,038
  6. #6Michelle19,550
  7. #7Kimberly18,962
  8. #8Jessica18,368
  9. #9Lisa17,346
  10. #10Amanda15,588
  11. #5,601Brennan10

Top boys' names in 1976

  1. #1Michael66,915
  2. #2Jason52,643
  3. #3Christopher45,190
  4. #4David39,265
  5. #5James38,294
  6. #6John33,976
  7. #7Robert33,789
  8. #8Brian30,517
  9. #9Matthew29,951
  10. #10Daniel24,702
  11. #838Brennan99
More about 1976

girls

1,465,099 girls got a published name in 1976; 1 in 146,510 of them was named Brennan, which outranked 48.7% of the 10,913 girls' names that year. The ten most popular names covered 17.2% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Brennan
  1. #5,215Yolander11
  2. #5,215Zana11
  3. #5,215Zanetta11
  4. #5,601Brennan10
  5. #5,601Abbe10
  6. #5,601Adrena10
  7. #5,601Agustina10
  8. #6,048Abelina9
  9. #6,048Adair9
  10. #6,048Adrean9

Tied with 446 names at #5,601; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1975
Risers
  1. ↑ 3,548Rhiannon#4,141 → #593
  2. ↑ 3,533Mackenzie#4,370 → #837
  3. ↑ 3,060Khalilah#3,774 → #714
  4. ↑ 1,663Kenisha#2,612 → #949
  5. ↑ 1,455Latoria#2,411 → #956
Fallers
  1. ↓ 821Nyree#926 → #1,747
  2. ↓ 668Syreeta#778 → #1,446
  3. ↓ 505Cher#994 → #1,499
  4. ↓ 398Kandice#957 → #1,355
  5. ↓ 370Racquel#973 → #1,343

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

boys

1,569,007 boys got a published name in 1976; 1 in 15,849 of them was named Brennan, which outranked 87.1% of the 6,495 boys' names that year. The ten most popular names covered 25.2% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Brennan
  1. #832Lashawn101
  2. #836Coy100
  3. #836Silas100
  4. #838Brennan99
  5. #838Dominique99
  6. #838Eloy99
  7. #838Jered99
  8. #844Russel98
  9. #845Alec97
  10. #845Cortez97

Tied with 5 names at #838; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1975
Risers
  1. ↑ 3,506Seneca#4,309 → #803
  2. ↑ 1,165Jameel#2,134 → #969
  3. ↑ 712Delvin#1,658 → #946
  4. ↑ 567Jerimy#1,530 → #963
  5. ↑ 510Jamaal#1,042 → #532
Fallers
  1. ↓ 1,113Santino#1,000 → #2,113
  2. ↓ 511Carnell#900 → #1,411
  3. ↓ 453Nakia#337 → #790
  4. ↓ 395Charlton#938 → #1,333
  5. ↓ 376Benjiman#970 → #1,346

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

See the top 100 for 1976 →