NameTides

Sian

Sian was the #4,050 boys' name in the US in 2025 (26 babies).

Sian as a girl’s name

  • US
  • England & Wales
  • Scotland
  • Northern Ireland
  • Ireland
  • Canada
Sian as a girl’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Northern Ireland, Ireland, Canada. Gaps mark years with too few babies to be published.01.252.53.75518801900192019401960198020002020England & WalesUS
Sian as a girl’s name, US, England & Wales, Scotland, Northern Ireland, Ireland, CanadaBabies per 1,000 in the published list, 1880–2025, for US, England & Wales, Scotland, Northern Ireland, Ireland, Canada. Gaps mark years with too few babies to be published.01.252.53.7551880192019602000
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 IrelandIrelandCanada
2025#14,942 (5)#3,035 (8)————
2024#11,122 (8)#3,319 (7)————
2023#13,462 (6)#2,201 (12)————
2022#8,542 (12)#2,488 (10)————
2021#12,206 (7)#1,785 (16)————
2020#7,212 (15)#1,507 (20)————
2019#8,138 (13)#1,940 (14)————
2018#11,427 (8)#1,436 (22)————
2017#8,776 (12)#1,184 (29)—#432 (3)——
2016#9,411 (11)#1,086 (32)————
2015#8,931 (12)#1,088 (32)—#426 (3)—#2,891 (6)
2014#9,517 (11)#1,040 (34)————
2013#9,612 (11)#784 (49)#564 (5)#327 (5)#747 (4)—
2012#13,483 (7)#487 (90)#397 (9)#451 (3)——
2011#6,148 (21)#370 (127)#430 (8)#444 (3)#798 (4)—

The tide so far

  • Peaked in the US in 2025 at #4,050.
  • Rising over the last five years.
  • First recorded in the US in 1995.
  • In 2025, 16% of US babies named Sian were girls.

How common is it?

about 1 in 67,000 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
USGirls2025about 1 in 330,000rare
England & WalesGirls2025about 1 in 31,000rare

Next year

On its recent trend, Sian is likely to keep falling in the US in 2026: about 1 in 93,000 baby boys. Likely range 1 in 39,000 to 1 in 220,000.

Estimate, not an official figure. How we estimate.

Across the US

Sian 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: fewer than 5 babiesNYMassachusetts: 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: fewer than 5 babiesPANew Jersey: fewer than 5 babiesNJConnecticut: fewer than 5 babiesCTRhode Island: fewer than 5 babiesRICalifornia: fewer than 5 babiesCAUtah: fewer than 5 babiesUTColorado: fewer than 5 babiesCONebraska: 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: #1,831FL
Sian (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
SianCanadaGirls—too few
SianCanadaBoys—too few
SianEngland & WalesGirls#3,0358
SianEngland & WalesBoys—too few
SianIrelandGirls—too few
SianNorthern IrelandGirls—too few
SianNorthern IrelandBoys—too few
SianScotlandGirls—too few
SianUSGirls#14,9425
SianUSBoys#4,05026