NameTides

Brennan

Brennan was the #1,002 boys' name in the US in 2025 (226 babies), and #2,664 in England & Wales and #1,944 in Canada.

Brennan as a boy’s name

  • US
  • England & Wales
  • Scotland
  • Canada
Brennan as a boy’s name, US, England & Wales, Scotland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Canada. Gaps mark years with too few babies to be published.00.250.50.75118801900192019401960198020002020USCanadaEngland & Wales
Brennan as a boy’s name, US, England & Wales, Scotland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Canada. Gaps mark years with too few babies to be published.00.250.50.7511880192019602000
Babies per 1,000 of the same sex in each published list. Breaks in a line are years with too few babies to be published.
Show the numbers
YearUSEngland & WalesScotlandCanada
2025#1,002 (226)#2,664 (8)—#1,944 (10)
2024#1,057 (207)#2,922 (7)—#2,439 (7)
2023#1,024 (213)#3,113 (6)—#1,687 (11)
2022#995 (224)#3,450 (5)#703 (3)#1,350 (15)
2021#871 (265)#3,451 (5)#720 (3)#1,076 (21)
2020#764 (315)#2,404 (8)—#1,176 (18)
2019#719 (340)#2,266 (9)—#1,326 (15)
2018#661 (382)#2,259 (9)—#732 (34)
2017#585 (464)#3,040 (6)—#651 (39)
2016#534 (549)#1,804 (13)#707 (3)#757 (33)
2015#444 (690)#1,786 (13)—#567 (47)
2014#387 (806)#2,079 (10)#533 (5)#564 (48)
2013#345 (927)#1,247 (20)—#421 (69)
2012#318 (1,011)#1,191 (22)#669 (3)#434 (64)
2011#293 (1,177)#1,342 (18)—#387 (74)

The tide so far

  • Peaked in the US in 2009 at #242.
  • Falling over the last five years.
  • First recorded in the US in 1916.

How common is it?

about 1 in 7,600 baby boys in the published US list for 2025.

In a group of 1,000 children born that year, you would expect to meet fewer than 1. How we work this out.

How common, country by country

WhereSexLatest yearShareVerdict
USBoys2025about 1 in 7,600uncommon
England & WalesBoys2025about 1 in 34,000rare
CanadaBoys2025about 1 in 16,000rare

Next year

On its recent trend, Brennan is likely to keep falling in the US in 2026: about 1 in 8,500 baby boys. Likely range 1 in 7,200 to 1 in 9,900.

Estimate, not an official figure. How we estimate.

Across the US

Brennan by state, 2025Alaska: fewer than 5 babiesAKMaine: fewer than 5 babiesMEWisconsin: #618WIVermont: fewer than 5 babiesVTNew Hampshire: fewer than 5 babiesNHWashington: fewer than 5 babiesWAIdaho: fewer than 5 babiesIDMontana: fewer than 5 babiesMTNorth Dakota: fewer than 5 babiesNDMinnesota: fewer than 5 babiesMNIllinois: #805ILMichigan: fewer than 5 babiesMINew York: #1,055NYMassachusetts: #789MAOregon: fewer than 5 babiesORNevada: fewer than 5 babiesNVWyoming: fewer than 5 babiesWYSouth Dakota: fewer than 5 babiesSDIowa: #571IAIndiana: fewer than 5 babiesINOhio: #1,111OHPennsylvania: #704PANew Jersey: #766NJConnecticut: fewer than 5 babiesCTRhode Island: fewer than 5 babiesRICalifornia: #1,438CAUtah: fewer than 5 babiesUTColorado: #849CONebraska: fewer than 5 babiesNEMissouri: #789MOKentucky: fewer than 5 babiesKYWest Virginia: fewer than 5 babiesWVVirginia: #563VAMaryland: fewer than 5 babiesMDDelaware: fewer than 5 babiesDEArizona: fewer than 5 babiesAZNew Mexico: fewer than 5 babiesNMKansas: fewer than 5 babiesKSArkansas: #555ARTennessee: #672TNNorth Carolina: #645NCSouth Carolina: fewer than 5 babiesSCDistrict of Columbia: fewer than 5 babiesDCOklahoma: fewer than 5 babiesOKLouisiana: #531LAMississippi: fewer than 5 babiesMSAlabama: fewer than 5 babiesALGeorgia: fewer than 5 babiesGAHawaii: fewer than 5 babiesHITexas: #1,169TXFlorida: #1,126FL
Brennan (boys) rank in each state, 2025. Hatched states recorded fewer than 5 babies.
  • #1–10
  • #11–50
  • #51–100
  • #101–500
  • below #500

Spellings

Official statistics count each spelling separately, so we show them side by side rather than adding them up.

SpellingWhereSexLatest rankBabies
BrennanCanadaGirls—too few
BrennanCanadaBoys#1,94410
BrennanEngland & WalesBoys#2,6648
BrennanNorthern IrelandGirls—too few
BrennanNorthern IrelandBoys—too few
BrennanScotlandBoys—too few
BrennanUSGirls#9,45710
BrennanUSBoys#1,002226