NameTides

Cassius

Cassius was the #582 boys' name in the US in 2025 (504 babies), and #319 in England & Wales and #741 in Canada.

Cassius as a boy’s name

  • US
  • England & Wales
  • Scotland
  • Northern Ireland
  • Canada
Cassius as a boy’s name, US, England & Wales, Scotland, Northern Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Northern Ireland, Canada. Gaps mark years with too few babies to be published.00.250.50.75118801900192019401960198020002020England & WalesUSCanada
Cassius as a boy’s name, US, England & Wales, Scotland, Northern Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Northern Ireland, 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 & WalesScotlandNorthern IrelandCanada
2025#582 (504)#319 (140)——#741 (36)
2024#569 (516)#283 (160)#727 (3)—#842 (30)
2023#575 (509)#263 (174)#614 (4)—#774 (32)
2022#548 (541)#272 (169)#590 (4)—#632 (42)
2021#487 (607)#278 (167)—#433 (3)#564 (50)
2020#488 (602)#314 (147)#711 (3)—#527 (50)
2019#514 (554)#293 (166)#701 (3)—#493 (57)
2018#594 (460)#333 (138)#516 (5)—#572 (47)
2017#582 (467)#403 (108)#532 (5)—#651 (39)
2016#600 (449)#369 (126)——#601 (45)
2015#644 (406)#472 (85)——#706 (36)
2014#704 (346)#381 (107)——#747 (32)
2013#757 (300)#363 (112)——#695 (35)
2012#933 (218)#408 (98)——#779 (30)
2011#873 (240)#458 (82)——#722 (32)

The tide so far

  • Peaked in the US in 2020 at #488.
  • Holding steady over the last five years.
  • In the US records since the data begins in 1880.

How common is it?

about 1 in 3,400 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 3,400uncommon
England & WalesBoys2025about 1 in 1,900uncommon
CanadaBoys2025about 1 in 4,400uncommon

Next year

On its recent trend, Cassius is likely to keep falling in the US in 2026: about 1 in 3,600 baby boys. Likely range 1 in 3,300 to 1 in 3,900.

Estimate, not an official figure. How we estimate.

Across the US

Cassius by state, 2025Alaska: fewer than 5 babiesAKMaine: #172MEWisconsin: #437WIVermont: fewer than 5 babiesVTNew Hampshire: fewer than 5 babiesNHWashington: #267WAIdaho: fewer than 5 babiesIDMontana: fewer than 5 babiesMTNorth Dakota: fewer than 5 babiesNDMinnesota: #511MNIllinois: #752ILMichigan: #679MINew York: #639NYMassachusetts: #620MAOregon: #398ORNevada: #389NVWyoming: fewer than 5 babiesWYSouth Dakota: fewer than 5 babiesSDIowa: #379IAIndiana: #338INOhio: #500OHPennsylvania: #662PANew Jersey: fewer than 5 babiesNJConnecticut: fewer than 5 babiesCTRhode Island: fewer than 5 babiesRICalifornia: #543CAUtah: #378UTColorado: #535CONebraska: fewer than 5 babiesNEMissouri: #597MOKentucky: #450KYWest Virginia: fewer than 5 babiesWVVirginia: #435VAMaryland: #571MDDelaware: fewer than 5 babiesDEArizona: #720AZNew Mexico: #270NMKansas: #524KSArkansas: fewer than 5 babiesARTennessee: #452TNNorth Carolina: #645NCSouth Carolina: #608SCDistrict of Columbia: fewer than 5 babiesDCOklahoma: #698OKLouisiana: #775LAMississippi: fewer than 5 babiesMSAlabama: #685ALGeorgia: #673GAHawaii: #180HITexas: #708TXFlorida: #704FL
Cassius (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#84913

Cassius (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
CassiusCanadaBoys#74136
CassiusEngland & WalesBoys#319140
CassiusNorthern IrelandBoys—too few
CassiusScotlandBoys—too few
CassiusUSGirls—too few
CassiusUSBoys#582504