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#10,000rank188019001920194019601980200020201984peak #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 1984

  • 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: #393 for boys · 7 births · 1 in 4,480 boysWAIdaho: 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: #316 for boys · 6 births · 1 in 5,266 boysMNIllinois: #697 for boys · 7 births · 1 in 11,695 boysILWisconsin: #284 for boys · 9 births · 1 in 3,779 boysWIMichigan: fewer than 5 boys named Brennan, so not publishedMINew York: #796 for boys · 9 births · 1 in 12,983 boysNYMassachusetts: #387 for boys · 5 births · 1 in 7,476 boysMARhode 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: #416 for boys · 12 births · 1 in 6,377 boysOHPennsylvania: #372 for boys · 14 births · 1 in 5,412 boysPANew Jersey: #574 for boys · 5 births · 1 in 8,868 boysNJConnecticut: fewer than 5 boys named Brennan, so not publishedCTCalifornia: #600 for boys · 25 births · 1 in 8,495 boysCAUtah: #276 for boys · 8 births · 1 in 2,202 boysUTColorado: fewer than 5 boys named Brennan, so not publishedCONebraska: fewer than 5 boys named Brennan, so not publishedNEMissouri: #316 for boys · 9 births · 1 in 3,960 boysMOKentucky: #367 for boys · 5 births · 1 in 4,925 boysKYWest Virginia: fewer than 5 boys named Brennan, so not publishedWVVirginia: #410 for boys · 7 births · 1 in 5,134 boysVAMaryland: 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: #457 for boys · 5 births · 1 in 6,281 boysTNNorth Carolina: #540 for boys · 5 births · 1 in 7,819 boysNCSouth 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: #347 for boys · 14 births · 1 in 2,562 boysLAMississippi: fewer than 5 boys named Brennan, so not publishedMSAlabama: fewer than 5 boys named Brennan, so not publishedALGeorgia: #618 for boys · 5 births · 1 in 8,337 boysGAHawaii: fewer than 5 boys named Brennan, so not publishedHITexas: #857 for boys · 10 births · 1 in 14,281 boysTXFlorida: #819 for boys · 5 births · 1 in 14,241 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Utah#276 · 1 in 2,202
  2. Wisconsin#284 · 1 in 3,779
  3. Missouri#316 · 1 in 3,960
  4. Minnesota#316 · 1 in 5,266
  5. Louisiana#347 · 1 in 2,562

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

Show every state
StateRankBirthsShare
Utah#27681 in 2,202
Wisconsin#28491 in 3,779
Minnesota#31661 in 5,266
Missouri#31691 in 3,960
Louisiana#347141 in 2,562
Kentucky#36751 in 4,925
Pennsylvania#372141 in 5,412
Massachusetts#38751 in 7,476
Washington#39371 in 4,480
Virginia#41071 in 5,134
Ohio#416121 in 6,377
Tennessee#45751 in 6,281
North Carolina#54051 in 7,819
New Jersey#57451 in 8,868
California#600251 in 8,495
Georgia#61851 in 8,337
Illinois#69771 in 11,695
New York#79691 in 12,983
Florida#81951 in 14,241
Texas#857101 in 14,281
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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 1984

girls
#3,069
28 births · 1 in 60,136 girls
boys
#562
232 births · 1 in 7,780 boys

Top girls' names in 1984

  1. #1Jennifer50,564
  2. #2Jessica45,857
  3. #3Ashley38,773
  4. #4Amanda33,915
  5. #5Sarah25,887
  6. #6Stephanie23,025
  7. #7Nicole22,270
  8. #8Melissa21,896
  9. #9Heather21,489
  10. #10Elizabeth20,360
  11. #3,069Brennan28

Top boys' names in 1984

  1. #1Michael67,735
  2. #2Christopher60,021
  3. #3Matthew49,767
  4. #4Joshua40,266
  5. #5David38,492
  6. #6Daniel36,531
  7. #7James35,859
  8. #8John32,610
  9. #9Robert31,768
  10. #10Joseph30,513
  11. #562Brennan232
More about 1984

girls

1,683,817 girls got a published name in 1984; 1 in 60,136 of them was named Brennan, which outranked 74.8% of the 12,181 girls' names that year. The ten most popular names covered 18.1% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Brennan
  1. #2,992Vonda29
  2. #2,992Yecenia29
  3. #2,992Zahra29
  4. #3,069Brennan28
  5. #3,069Agatha28
  6. #3,069Aime28
  7. #3,069Alejandrina28
  8. #3,144Adelaide27
  9. #3,144Adriann27
  10. #3,144Allisha27

Tied with 74 names at #3,069; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 1983
Risers
  1. ↑ 8,259Santana#9,015 → #756
  2. ↑ 2,419Tasia#3,151 → #732
  3. ↑ 2,198Teela#3,065 → #867
  4. ↑ 1,074Grisel#1,858 → #784
  5. ↑ 894Kaylee#1,715 → #821
Fallers
  1. ↓ 1,856Dwan#874 → #2,730
  2. ↓ 720Toccara#937 → #1,657
  3. ↓ 713Kaleena#547 → #1,260
  4. ↓ 303Karie#1,000 → #1,303
  5. ↓ 300Karyn#820 → #1,120

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

boys

1,804,848 boys got a published name in 1984; 1 in 7,780 of them was named Brennan, which outranked 92.3% of the 7,341 boys' names that year. The ten most popular names covered 23.5% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Brennan
  1. #559Freddy234
  2. #559Humberto234
  3. #561Jerad233
  4. #562Brennan232
  5. #563Randal231
  6. #564Jamison230
  7. #565Anton227
Biggest movers since 1983
Risers
  1. ↑ 958Ryne#1,562 → #604
  2. ↑ 472Rachel#1,448 → #976
  3. ↑ 399Zebulon#1,375 → #976
  4. ↑ 359Travon#1,327 → #968
  5. ↑ 347Mackenzie#1,347 → #1,000
Fallers
  1. ↓ 741Trumaine#949 → #1,690
  2. ↓ 422Basil#1,000 → #1,422
  3. ↓ 240Alfonzo#1,000 → #1,240
  4. ↓ 208Jasen#804 → #1,012
  5. ↓ 205Woodrow#949 → #1,154

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

See the top 100 for 1984 →