Kaisen

Kaisen was the #800 boys' name in the US in 2025 (311 babies), and #3,684 in England & Wales and #1,642 in Canada.

Kaisen as a boy’s name

  • US
  • England & Wales
  • Canada
Kaisen as a boy’s name, US, England & Wales, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Canada. Gaps mark years with too few babies to be published.00.050.10.150.218801900192019401960198020002020USCanadaEngland & Wales
Kaisen as a boy’s name, US, England & Wales, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Canada. Gaps mark years with too few babies to be published.00.050.10.150.21880192019602000
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 & WalesCanada
2025#800 (311)#3,684 (5)#1,642 (13)
2024#902 (261)—#1,654 (12)
2023#937 (241)#4,108 (4)#1,947 (9)
2022#908 (254)—#2,052 (8)
2021#1,025 (214)—#2,491 (6)
2020#1,051 (192)#2,960 (6)#2,013 (8)
2019#1,057 (193)#3,937 (4)#1,835 (9)
2018#1,282 (143)—#2,740 (5)
2017#1,306 (138)#3,449 (5)#2,439 (6)
2016#1,229 (152)—#1,831 (9)
2015#1,625 (98)#2,483 (8)—
2014#1,714 (88)——
2013#2,065 (65)——
2012#2,209 (59)#3,987 (4)—
2011#2,904 (40)——

The tide so far

  • Peaked in the US in 2025 at #800.
  • Rising over the last five years.
  • First recorded in the US in 2004.

How common is it?

about 1 in 5,500 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 5,500uncommon
England & WalesBoys2025about 1 in 56,000rare
CanadaBoys2025about 1 in 12,000rare

Next year

On its recent trend, Kaisen is likely to hold steady in the US in 2026: about 1 in 5,300 baby boys. Likely range 1 in 4,700 to 1 in 6,000.

Estimate, not an official figure. How we estimate.

Across the US

Kaisen by state, 2025Alaska: fewer than 5 babiesAKMaine: fewer than 5 babiesMEWisconsin: fewer than 5 babiesWIVermont: fewer than 5 babiesVTNew Hampshire: fewer than 5 babiesNHWashington: #999WAIdaho: fewer than 5 babiesIDMontana: fewer than 5 babiesMTNorth Dakota: fewer than 5 babiesNDMinnesota: fewer than 5 babiesMNIllinois: #632ILMichigan: #905MINew York: #994NYMassachusetts: fewer than 5 babiesMAOregon: fewer than 5 babiesORNevada: fewer than 5 babiesNVWyoming: fewer than 5 babiesWYSouth Dakota: fewer than 5 babiesSDIowa: fewer than 5 babiesIAIndiana: #844INOhio: #577OHPennsylvania: #792PANew Jersey: #1,022NJConnecticut: fewer than 5 babiesCTRhode Island: fewer than 5 babiesRICalifornia: #1,364CAUtah: fewer than 5 babiesUTColorado: fewer than 5 babiesCONebraska: fewer than 5 babiesNEMissouri: #709MOKentucky: #708KYWest Virginia: #330WVVirginia: #627VAMaryland: fewer than 5 babiesMDDelaware: fewer than 5 babiesDEArizona: fewer than 5 babiesAZNew Mexico: fewer than 5 babiesNMKansas: fewer than 5 babiesKSArkansas: #489ARTennessee: #551TNNorth Carolina: #621NCSouth Carolina: #438SCDistrict of Columbia: fewer than 5 babiesDCOklahoma: #621OKLouisiana: #487LAMississippi: #157MSAlabama: #375ALGeorgia: #710GAHawaii: fewer than 5 babiesHITexas: #809TXFlorida: #846FL
Kaisen (boys) rank in each state, 2025. Hatched states recorded fewer than 5 babies.
  • #1–10
  • #11–50
  • #51–100
  • #101–500
  • below #500

Across Canada

ProvinceYearRankBabies
Ontario2024#1,2178

Kaisen (boys): rank in each province’s latest list. Only Quebec and Ontario publish full name lists; Ontario’s latest list is a year behind.

Spellings

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

SpellingWhereSexLatest rankBabies
KaisenCanadaBoys#1,64213
KaisenEngland & WalesBoys#3,6845
KaisenNorthern IrelandGirls—too few
KaisenNorthern IrelandBoys—too few
KaisenUSGirls—too few
KaisenUSBoys#800311