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#10,000rank188019001920194019601980200020202013peak #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 2013

  • 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: #177 for boys · 7 births · 1 in 696 boysNHWashington: #385 for boys · 18 births · 1 in 1,981 boysWAIdaho: #348 for boys · 6 births · 1 in 1,330 boysIDMontana: fewer than 5 boys named Brennan, so not publishedMTNorth Dakota: fewer than 5 boys named Brennan, so not publishedNDMinnesota: #306 for boys · 19 births · 1 in 1,474 boysMNIllinois: #341 for boys · 37 births · 1 in 1,781 boysILWisconsin: #212 for boys · 29 births · 1 in 935 boysWIMichigan: #198 for boys · 55 births · 1 in 873 boysMINew York: #397 for boys · 42 births · 1 in 2,440 boysNYMassachusetts: #246 for boys · 22 births · 1 in 1,335 boysMARhode Island: fewer than 5 boys named Brennan, so not publishedRIOregon: #400 for boys · 9 births · 1 in 1,998 boysORNevada: 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: #229 for boys · 17 births · 1 in 898 boysIAIndiana: #286 for boys · 27 births · 1 in 1,320 boysINOhio: #223 for boys · 55 births · 1 in 1,085 boysOHPennsylvania: #230 for boys · 52 births · 1 in 1,149 boysPANew Jersey: #412 for boys · 16 births · 1 in 2,595 boysNJConnecticut: #361 for boys · 7 births · 1 in 2,043 boysCTCalifornia: #585 for boys · 50 births · 1 in 4,540 boysCAUtah: #496 for boys · 8 births · 1 in 2,700 boysUTColorado: #349 for boys · 16 births · 1 in 1,677 boysCONebraska: #339 for boys · 7 births · 1 in 1,427 boysNEMissouri: #284 for boys · 23 births · 1 in 1,381 boysMOKentucky: #274 for boys · 16 births · 1 in 1,388 boysKYWest Virginia: #284 for boys · 6 births · 1 in 1,397 boysWVVirginia: #310 for boys · 26 births · 1 in 1,605 boysVAMaryland: #323 for boys · 16 births · 1 in 1,718 boysMDDelaware: fewer than 5 boys named Brennan, so not publishedDEArizona: #409 for boys · 16 births · 1 in 2,299 boysAZNew Mexico: fewer than 5 boys named Brennan, so not publishedNMKansas: #311 for boys · 12 births · 1 in 1,300 boysKSArkansas: #253 for boys · 14 births · 1 in 1,018 boysARTennessee: #254 for boys · 31 births · 1 in 1,147 boysTNNorth Carolina: #293 for boys · 34 births · 1 in 1,483 boysNCSouth Carolina: #426 for boys · 9 births · 1 in 2,357 boysSCDistrict of Columbia: fewer than 5 boys named Brennan, so not publishedDCOklahoma: #413 for boys · 11 births · 1 in 1,921 boysOKLouisiana: #181 for boys · 34 births · 1 in 727 boysLAMississippi: #247 for boys · 12 births · 1 in 1,124 boysMSAlabama: #527 for boys · 7 births · 1 in 3,196 boysALGeorgia: #464 for boys · 20 births · 1 in 2,684 boysGAHawaii: #281 for boys · 5 births · 1 in 967 boysHITexas: #454 for boys · 63 births · 1 in 2,861 boysTXFlorida: #352 for boys · 45 births · 1 in 2,076 boysFL

Hover or tap a state for its numbers.

Top states · boys
  1. New Hampshire#177 · 1 in 696
  2. Louisiana#181 · 1 in 727
  3. Michigan#198 · 1 in 873
  4. Wisconsin#212 · 1 in 935
  5. Ohio#223 · 1 in 1,085

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

Show every state
StateRankBirthsShare
New Hampshire#17771 in 696
Louisiana#181341 in 727
Michigan#198551 in 873
Wisconsin#212291 in 935
Ohio#223551 in 1,085
Iowa#229171 in 898
Pennsylvania#230521 in 1,149
Massachusetts#246221 in 1,335
Mississippi#247121 in 1,124
Arkansas#253141 in 1,018
Tennessee#254311 in 1,147
Kentucky#274161 in 1,388
Hawaii#28151 in 967
Missouri#284231 in 1,381
West Virginia#28461 in 1,397
Indiana#286271 in 1,320
North Carolina#293341 in 1,483
Minnesota#306191 in 1,474
Virginia#310261 in 1,605
Kansas#311121 in 1,300
Maryland#323161 in 1,718
Nebraska#33971 in 1,427
Illinois#341371 in 1,781
Idaho#34861 in 1,330
Colorado#349161 in 1,677
Florida#352451 in 2,076
Connecticut#36171 in 2,043
Washington#385181 in 1,981
New York#397421 in 2,440
Oregon#40091 in 1,998
Arizona#409161 in 2,299
New Jersey#412161 in 2,595
Oklahoma#413111 in 1,921
South Carolina#42691 in 2,357
Texas#454631 in 2,861
Georgia#464201 in 2,684
Utah#49681 in 2,700
Alabama#52771 in 3,196
California#585501 in 4,540
Alaska———
Delaware———
District of Columbia———
Maine———
Montana———
Nevada———
New Mexico———
North Dakota———
Rhode Island———
South Dakota———
Vermont———
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 2013

girls
#2,661
66 births · 1 in 26,587 girls
boys
#345
927 births · 1 in 2,041 boys

Top girls' names in 2013

  1. #1Sophia21,255
  2. #2Emma20,973
  3. #3Olivia18,454
  4. #4Isabella17,689
  5. #5Ava15,271
  6. #6Mia13,166
  7. #7Emily13,144
  8. #8Abigail12,429
  9. #9Madison10,605
  10. #10Elizabeth9,476
  11. #2,661Brennan66

Top boys' names in 2013

  1. #1Noah18,291
  2. #2Jacob18,201
  3. #3Liam18,153
  4. #4Mason17,730
  5. #5William16,669
  6. #6Ethan16,260
  7. #7Michael15,544
  8. #8Alexander14,923
  9. #9Jayden14,804
  10. #10Daniel14,326
  11. #345Brennan927
More about 2013

girls

1,754,746 girls got a published name in 2013; 1 in 26,587 of them was named Brennan, which outranked 86.2% of the 19,279 girls' names that year. The ten most popular names covered 8.7% of girls (24.6% in 1880, 7.0% in 2025).

Ranked beside Brennan
  1. #2,626Tylee67
  2. #2,626Zakiyah67
  3. #2,626Zyla67
  4. #2,661Brennan66
  5. #2,661Adara66
  6. #2,661Alysson66
  7. #2,661Ariannah66
  8. #2,681Alasia65
  9. #2,681Aliannah65
  10. #2,681Arriana65

Tied with 19 names at #2,661; 3 shown. Tied names share a rank, as in SSA's lists.

Biggest movers since 2012
Risers
  1. ↑ 3,124Daleyza#3,711 → #587
  2. ↑ 736Marjorie#1,646 → #910
  3. ↑ 683Lennon#1,612 → #929
  4. ↑ 561Jurnee#1,457 → #896
  5. ↑ 539Everleigh#1,405 → #866
Fallers
  1. ↓ 827Litzy#598 → #1,425
  2. ↓ 409Geraldine#994 → #1,403
  3. ↓ 384Taraji#858 → #1,242
  4. ↓ 374Marisa#977 → #1,351
  5. ↓ 372Adley#733 → #1,105

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

boys

1,891,581 boys got a published name in 2013; 1 in 2,041 of them was named Brennan, which outranked 97.5% of the 14,070 boys' names that year. The ten most popular names covered 8.7% of boys (44.2% in 1880, 8.0% in 2025).

Ranked beside Brennan
  1. #342Walter939
  2. #343Nehemiah931
  3. #344Knox928
  4. #345Brennan927
  5. #346Pedro925
  6. #347Julius922
  7. #348Allen917
Biggest movers since 2012
Risers
  1. ↑ 843Jayceon#1,050 → #207
  2. ↑ 636Milan#1,182 → #546
  3. ↑ 604Atlas#1,383 → #779
  4. ↑ 504Jayse#1,466 → #962
  5. ↑ 423Duke#1,145 → #722
Fallers
  1. ↓ 318Austyn#898 → #1,216
  2. ↓ 291Masen#723 → #1,014
  3. ↓ 274Jaidyn#979 → #1,253
  4. ↓ 267Trevon#925 → #1,192
  5. ↓ 260Bently#637 → #897

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

See the top 100 for 2013 →