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#10,000rank188019001920194019601980200020201990peak #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 1990

  • 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: #229 for boys · 22 births · 1 in 1,628 boysWAIdaho: #157 for boys · 8 births · 1 in 855 boysIDMontana: #153 for boys · 6 births · 1 in 782 boysMTNorth Dakota: fewer than 5 boys named Brennan, so not publishedNDMinnesota: #242 for boys · 13 births · 1 in 2,440 boysMNIllinois: #283 for boys · 42 births · 1 in 2,124 boysILWisconsin: #283 for boys · 11 births · 1 in 3,026 boysWIMichigan: #351 for boys · 21 births · 1 in 3,382 boysMINew York: #584 for boys · 21 births · 1 in 6,612 boysNYMassachusetts: #393 for boys · 8 births · 1 in 5,502 boysMARhode Island: fewer than 5 boys named Brennan, so not publishedRIOregon: #309 for boys · 8 births · 1 in 2,528 boysORNevada: #260 for boys · 5 births · 1 in 1,725 boysNVWyoming: fewer than 5 boys named Brennan, so not publishedWYSouth Dakota: fewer than 5 boys named Brennan, so not publishedSDIowa: #193 for boys · 13 births · 1 in 1,425 boysIAIndiana: #285 for boys · 15 births · 1 in 2,701 boysINOhio: #270 for boys · 31 births · 1 in 2,574 boysOHPennsylvania: #281 for boys · 29 births · 1 in 2,837 boysPANew Jersey: fewer than 5 boys named Brennan, so not publishedNJConnecticut: fewer than 5 boys named Brennan, so not publishedCTCalifornia: #441 for boys · 68 births · 1 in 4,269 boysCAUtah: #263 for boys · 9 births · 1 in 1,851 boysUTColorado: #208 for boys · 17 births · 1 in 1,437 boysCONebraska: #208 for boys · 7 births · 1 in 1,559 boysNEMissouri: #202 for boys · 25 births · 1 in 1,518 boysMOKentucky: #270 for boys · 9 births · 1 in 2,756 boysKYWest Virginia: fewer than 5 boys named Brennan, so not publishedWVVirginia: #322 for boys · 16 births · 1 in 2,710 boysVAMaryland: #292 for boys · 14 births · 1 in 2,370 boysMDDelaware: fewer than 5 boys named Brennan, so not publishedDEArizona: #382 for boys · 10 births · 1 in 3,077 boysAZNew Mexico: fewer than 5 boys named Brennan, so not publishedNMKansas: #282 for boys · 8 births · 1 in 2,114 boysKSArkansas: fewer than 5 boys named Brennan, so not publishedARTennessee: #348 for boys · 11 births · 1 in 3,239 boysTNNorth Carolina: #501 for boys · 9 births · 1 in 5,280 boysNCSouth Carolina: fewer than 5 boys named Brennan, so not publishedSCDistrict of Columbia: fewer than 5 boys named Brennan, so not publishedDCOklahoma: #347 for boys · 7 births · 1 in 2,933 boysOKLouisiana: #156 for boys · 41 births · 1 in 762 boysLAMississippi: #273 for boys · 10 births · 1 in 1,716 boysMSAlabama: fewer than 5 boys named Brennan, so not publishedALGeorgia: fewer than 5 boys named Brennan, so not publishedGAHawaii: #270 for boys · 5 births · 1 in 1,443 boysHITexas: #496 for boys · 32 births · 1 in 4,789 boysTXFlorida: #535 for boys · 16 births · 1 in 5,732 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Montana#153 · 1 in 782
  2. Louisiana#156 · 1 in 762
  3. Idaho#157 · 1 in 855
  4. Iowa#193 · 1 in 1,425
  5. Missouri#202 · 1 in 1,518

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

Show every state
StateRankBirthsShare
Montana#15361 in 782
Louisiana#156411 in 762
Idaho#15781 in 855
Iowa#193131 in 1,425
Missouri#202251 in 1,518
Colorado#208171 in 1,437
Nebraska#20871 in 1,559
Washington#229221 in 1,628
Minnesota#242131 in 2,440
Nevada#26051 in 1,725
Utah#26391 in 1,851
Hawaii#27051 in 1,443
Kentucky#27091 in 2,756
Ohio#270311 in 2,574
Mississippi#273101 in 1,716
Pennsylvania#281291 in 2,837
Kansas#28281 in 2,114
Illinois#283421 in 2,124
Wisconsin#283111 in 3,026
Indiana#285151 in 2,701
Maryland#292141 in 2,370
Oregon#30981 in 2,528
Virginia#322161 in 2,710
Oklahoma#34771 in 2,933
Tennessee#348111 in 3,239
Michigan#351211 in 3,382
Arizona#382101 in 3,077
Massachusetts#39381 in 5,502
California#441681 in 4,269
Texas#496321 in 4,789
North Carolina#50191 in 5,280
Florida#535161 in 5,732
New York#584211 in 6,612
Alabama———
Alaska———
Arkansas———
Connecticut———
Delaware———
District of Columbia———
Georgia———
Maine———
New Hampshire———
New Jersey———
New Mexico———
North Dakota———
Rhode Island———
South Carolina———
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 1990

girls
#2,799
41 births · 1 in 46,306 girls
boys
#382
606 births · 1 in 3,390 boys

Top girls' names in 1990

  1. #1Jessica46,486
  2. #2Ashley45,561
  3. #3Brittany36,536
  4. #4Amanda34,413
  5. #5Samantha25,868
  6. #6Sarah25,824
  7. #7Stephanie24,864
  8. #8Jennifer22,236
  9. #9Elizabeth20,750
  10. #10Lauren20,506
  11. #2,799Brennan41

Top boys' names in 1990

  1. #1Michael65,321
  2. #2Christopher52,362
  3. #3Matthew44,826
  4. #4Joshua43,237
  5. #5Daniel33,830
  6. #6David33,748
  7. #7Andrew33,673
  8. #8James32,359
  9. #9Justin30,649
  10. #10Joseph30,137
  11. #382Brennan606
More about 1990

girls

1,898,547 girls got a published name in 1990; 1 in 46,306 of them was named Brennan, which outranked 81.6% of the 15,234 girls' names that year. The ten most popular names covered 16.0% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Brennan
  1. #2,737Yer42
  2. #2,737Yoana42
  3. #2,737Zuri42
  4. #2,799Brennan41
  5. #2,799Adelaide41
  6. #2,799Alethea41
  7. #2,799Alexys41
  8. #2,850Aide40
  9. #2,850Aiesha40
  10. #2,850Angeleah40

Tied with 50 names at #2,799; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1989
Risers
  1. ↑ 5,592Alannah#6,531 → #939
  2. ↑ 1,178Symone#1,998 → #820
  3. ↑ 869Shelbi#1,750 → #881
  4. ↑ 831Latifah#1,532 → #701
  5. ↑ 828Skyler#1,564 → #736
Fallers
  1. ↓ 2,554Elizabet#524 → #3,078
  2. ↓ 1,572Katherin#717 → #2,289
  3. ↓ 652Stephani#390 → #1,042
  4. ↓ 504Ashanti#893 → #1,397
  5. ↓ 416Audrianna#759 → #1,175

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

boys

2,054,038 boys got a published name in 1990; 1 in 3,390 of them was named Brennan, which outranked 96.0% of the 9,493 boys' names that year. The ten most popular names covered 19.5% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Brennan
  1. #379Hayden611
  2. #380Jarrett609
  3. #381Tevin607
  4. #382Brennan606
  5. #382Abel606
  6. #384Allan605
  7. #385Ralph603
  8. #386Rudy602

Tied names share a rank, as in SSA's lists.

Biggest movers since 1989
Risers
  1. ↑ 3,636Tevin#4,017 → #381
  2. ↑ 3,283Keenen#4,271 → #988
  3. ↑ 1,325Male#2,027 → #702
  4. ↑ 1,032Denzel#1,476 → #444
  5. ↑ 598Kevon#1,476 → #878
Fallers
  1. ↓ 1,130Kiara#956 → #2,086
  2. ↓ 916Rachel#993 → #1,909
  3. ↓ 855Nicole#985 → #1,840
  4. ↓ 746Tiffany#956 → #1,702
  5. ↓ 681Sarah#819 → #1,500

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

See the top 100 for 1990 →