NameTides

Guillermo

Guillermo was the #901 boys' name in the US in 2025 (264 babies).

Guillermo as a boy’s name

  • US
  • England & Wales
  • Canada
Guillermo 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.00.130.250.380.518801900192019401960198020002020US
Guillermo 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.00.130.250.380.51880192019602000
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#901 (264)——
2024#831 (299)——
2023#833 (294)#4,992 (3)—
2022#848 (287)#2,756 (7)—
2021#811 (299)#4,789 (3)—
2020#832 (275)#4,608 (3)#2,431 (6)
2019#747 (320)#2,488 (8)—
2018#751 (314)#4,749 (3)—
2017#795 (289)——
2016#754 (322)#3,079 (6)—
2015#661 (389)#3,908 (4)—
2014#676 (376)#4,632 (3)—
2013#688 (348)#4,685 (3)—
2012#619 (392)——
2011#604 (408)#4,647 (3)#2,629 (5)

The tide so far

  • Peaked in the US in 1996 at #352.
  • Holding steady over the last five years.
  • First recorded in the US in 1885.

How common is it?

about 1 in 6,500 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.

Next year

On its recent trend, Guillermo is likely to hold steady in the US in 2026: about 1 in 6,200 baby boys. Likely range 1 in 5,700 to 1 in 6,900.

Estimate, not an official figure. How we estimate.

Across the US

Guillermo by state, 2025Alaska: fewer than 5 babiesAKMaine: fewer than 5 babiesMEWisconsin: fewer than 5 babiesWIVermont: fewer than 5 babiesVTNew Hampshire: fewer than 5 babiesNHWashington: #639WAIdaho: fewer than 5 babiesIDMontana: fewer than 5 babiesMTNorth Dakota: fewer than 5 babiesNDMinnesota: #718MNIllinois: #870ILMichigan: fewer than 5 babiesMINew York: #1,297NYMassachusetts: fewer than 5 babiesMAOregon: fewer than 5 babiesORNevada: #516NVWyoming: fewer than 5 babiesWYSouth Dakota: fewer than 5 babiesSDIowa: fewer than 5 babiesIAIndiana: fewer than 5 babiesINOhio: fewer than 5 babiesOHPennsylvania: fewer than 5 babiesPANew Jersey: fewer than 5 babiesNJConnecticut: fewer than 5 babiesCTRhode Island: fewer than 5 babiesRICalifornia: #509CAUtah: fewer than 5 babiesUTColorado: #756CONebraska: 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: #432AZNew Mexico: fewer than 5 babiesNMKansas: fewer than 5 babiesKSArkansas: fewer than 5 babiesARTennessee: fewer than 5 babiesTNNorth Carolina: #1,144NCSouth 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: #1,350GAHawaii: fewer than 5 babiesHITexas: #519TXFlorida: #1,126FL
Guillermo (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
GuillermoCanadaBoys—too few
GuillermoEngland & WalesBoys—too few
GuillermoUSGirls—too few
GuillermoUSBoys#901264