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#10,000rank188019001920194019601980200020202022peak #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 2022

  • 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: #737 for boys · 6 births · 1 in 4,155 boysMNIllinois: #668 for boys · 13 births · 1 in 3,982 boysILWisconsin: fewer than 5 boys named Brennan, so not publishedWIMichigan: #1,119 for boys · 5 births · 1 in 8,300 boysMINew York: #1,319 for boys · 8 births · 1 in 10,897 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: #950 for boys · 5 births · 1 in 6,445 boysINOhio: #556 for boys · 17 births · 1 in 3,124 boysOHPennsylvania: #667 for boys · 13 births · 1 in 4,118 boysPANew Jersey: fewer than 5 boys named Brennan, so not publishedNJConnecticut: fewer than 5 boys named Brennan, so not publishedCTCalifornia: #1,190 for boys · 17 births · 1 in 11,125 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: fewer than 5 boys named Brennan, so not publishedMOKentucky: #597 for boys · 6 births · 1 in 3,297 boysKYWest Virginia: fewer than 5 boys named Brennan, so not publishedWVVirginia: #1,081 for boys · 5 births · 1 in 7,678 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: #827 for boys · 7 births · 1 in 5,130 boysTNNorth Carolina: #1,037 for boys · 7 births · 1 in 7,280 boysNCSouth Carolina: fewer than 5 boys named Brennan, so not publishedSCDistrict of Columbia: fewer than 5 boys named Brennan, so not publishedDCOklahoma: #543 for boys · 7 births · 1 in 2,535 boysOKLouisiana: #357 for boys · 14 births · 1 in 1,523 boysLAMississippi: #534 for boys · 5 births · 1 in 2,306 boysMSAlabama: fewer than 5 boys named Brennan, so not publishedALGeorgia: #929 for boys · 9 births · 1 in 5,692 boysGAHawaii: fewer than 5 boys named Brennan, so not publishedHITexas: #970 for boys · 24 births · 1 in 7,446 boysTXFlorida: #1,052 for boys · 12 births · 1 in 7,945 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. Louisiana#357 · 1 in 1,523
  2. Mississippi#534 · 1 in 2,306
  3. Oklahoma#543 · 1 in 2,535
  4. Ohio#556 · 1 in 3,124
  5. Kentucky#597 · 1 in 3,297

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

Show every state
StateRankBirthsShare
Louisiana#357141 in 1,523
Mississippi#53451 in 2,306
Oklahoma#54371 in 2,535
Ohio#556171 in 3,124
Kentucky#59761 in 3,297
Pennsylvania#667131 in 4,118
Illinois#668131 in 3,982
Minnesota#73761 in 4,155
Tennessee#82771 in 5,130
Georgia#92991 in 5,692
Indiana#95051 in 6,445
Texas#970241 in 7,446
North Carolina#1,03771 in 7,280
Florida#1,052121 in 7,945
Virginia#1,08151 in 7,678
Michigan#1,11951 in 8,300
California#1,190171 in 11,125
New York#1,31981 in 10,897
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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 2022

girls
#5,028
26 births · 1 in 63,082 girls
boys
#995
224 births · 1 in 7,795 boys

Top girls' names in 2022

  1. #1Olivia16,670
  2. #2Emma14,512
  3. #3Charlotte12,952
  4. #4Amelia12,415
  5. #5Sophia12,382
  6. #6Isabella11,761
  7. #7Ava11,107
  8. #8Mia11,077
  9. #9Evelyn9,332
  10. #10Luna8,977
  11. #5,028Brennan26

Top boys' names in 2022

  1. #1Liam20,579
  2. #2Noah18,758
  3. #3Oliver15,176
  4. #4James12,119
  5. #5Elijah12,094
  6. #6William11,356
  7. #7Henry11,272
  8. #8Lucas10,973
  9. #9Benjamin10,912
  10. #10Theodore10,824
  11. #995Brennan224
More about 2022

girls

1,640,131 girls got a published name in 2022; 1 in 63,082 of them was named Brennan, which outranked 71.7% of the 17,760 girls' names that year. The ten most popular names covered 7.4% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Brennan
  1. #4,907Zlata27
  2. #4,907Zuleyka27
  3. #4,907Zuleyma27
  4. #5,028Brennan26
  5. #5,028Aarushi26
  6. #5,028Adaiah26
  7. #5,028Adalet26
  8. #5,172Abeeha25
  9. #5,172Ace25
  10. #5,172Airi25

Tied with 143 names at #5,028; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 2021
Risers
  1. ↑ 698Wrenlee#1,410 → #712
  2. ↑ 686Neriah#1,680 → #994
  3. ↑ 487Arlet#1,229 → #742
  4. ↑ 424Georgina#1,304 → #880
  5. ↑ 413Amiri#1,293 → #880
Fallers
  1. ↓ 282Tatiana#992 → #1,274
  2. ↓ 245Alaiya#721 → #966
  3. ↓ 239Aarna#967 → #1,206
  4. ↓ 231Jaylene#975 → #1,206
  5. ↓ 227Aviana#521 → #748

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

boys

1,746,008 boys got a published name in 2022; 1 in 7,795 of them was named Brennan, which outranked 93.1% of the 14,333 boys' names that year. The ten most popular names covered 7.7% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Brennan
  1. #992Marlon226
  2. #993Kanan225
  3. #993Yael225
  4. #995Brennan224
  5. #995Maurice224
  6. #997Asaiah223
  7. #997Atharv223
  8. #997Imran223

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

Biggest movers since 2021
Risers
  1. ↑ 988Dutton#1,823 → #835
  2. ↑ 489Kayce#1,076 → #587
  3. ↑ 412Chosen#1,307 → #895
  4. ↑ 396Khaza#1,230 → #834
  5. ↑ 348Eithan#849 → #501
Fallers
  1. ↓ 324Jacoby#885 → #1,209
  2. ↓ 243Turner#937 → #1,180
  3. ↓ 233Aydin#897 → #1,130
  4. ↓ 218Juelz#991 → #1,209
  5. ↓ 216Jamal#868 → #1,084

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

See the top 100 for 2022 →