NameTides

Casimir

Casimir was the #2,035 boys' name in the US in 2025 (73 babies), and #2,527 in Canada.

Casimir as a boy’s name

  • US
  • England & Wales
  • Canada
Casimir 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.00.060.130.190.2518801900192019401960198020002020CanadaUS
Casimir 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.00.060.130.190.251880192019602000
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#2,035 (73)—#2,527 (7)
2024#2,370 (59)#3,689 (5)—
2023#2,362 (58)——
2022#2,408 (58)#4,790 (3)#2,229 (7)
2021#3,021 (40)#4,789 (3)#2,491 (6)
2020#3,653 (29)#3,848 (4)—
2019#3,716 (29)——
2018#3,524 (31)#3,412 (5)—
2017#4,224 (24)——
2016#3,681 (29)——
2015#3,299 (34)#4,747 (3)#2,715 (5)
2014#3,456 (31)——
2013#2,998 (37)——
2012#4,251 (23)——
2011#4,356 (22)——

The tide so far

  • Peaked in the US in 1919 at #394.
  • Rising over the last five years.
  • First recorded in the US in 1894.
  • A comeback: it faded for decades and is rising again.

How common is it?

about 1 in 23,000 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 23,000rare
CanadaBoys2025about 1 in 23,000rare

Next year

On its recent trend, Casimir is likely to keep rising in the US in 2026: about 1 in 21,000 baby boys. Likely range 1 in 17,000 to 1 in 26,000.

Estimate, not an official figure. How we estimate.

Across the US

Casimir by state, 2025Alaska: fewer than 5 babiesAKMaine: fewer than 5 babiesMEWisconsin: fewer than 5 babiesWIVermont: 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: fewer than 5 babiesILMichigan: fewer than 5 babiesMINew York: #1,297NYMassachusetts: 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: fewer than 5 babiesINOhio: fewer than 5 babiesOHPennsylvania: #1,231PANew Jersey: fewer than 5 babiesNJConnecticut: fewer than 5 babiesCTRhode Island: fewer than 5 babiesRICalifornia: fewer than 5 babiesCAUtah: fewer than 5 babiesUTColorado: #849CONebraska: fewer than 5 babiesNEMissouri: fewer than 5 babiesMOKentucky: fewer than 5 babiesKYWest Virginia: fewer than 5 babiesWVVirginia: fewer than 5 babiesVAMaryland: fewer than 5 babiesMDDelaware: fewer than 5 babiesDEArizona: fewer than 5 babiesAZNew Mexico: fewer than 5 babiesNMKansas: fewer than 5 babiesKSArkansas: fewer than 5 babiesARTennessee: fewer than 5 babiesTNNorth Carolina: fewer than 5 babiesNCSouth Carolina: fewer than 5 babiesSCDistrict of Columbia: fewer than 5 babiesDCOklahoma: fewer than 5 babiesOKLouisiana: fewer than 5 babiesLAMississippi: fewer than 5 babiesMSAlabama: fewer than 5 babiesALGeorgia: fewer than 5 babiesGAHawaii: fewer than 5 babiesHITexas: fewer than 5 babiesTXFlorida: fewer than 5 babiesFL
Casimir (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
CasimirCanadaBoys#2,5277
CasimirEngland & WalesBoys—too few
CasimirUSBoys#2,03573