Nameling

Kain

Gender
Boy
Say it
KAYN
Origin
Irish
UK rank, 2025
#5,065 for boys
US rank, 2025
#1,728 for boys

Kain is a boys' name of Irish origin, meaning “battle”. In 2025 it ranked 5,065th for boys in the UK (3 babies) and 1,728th for boys in the US (94 babies).

What does Kain mean?

Irish: spelling of Kane, from Ó Catháin; also echoes Cain

“battle”

A spelling of Kane, from the Irish surname Ó Catháin, based on cath 'battle'; it also sounds like the biblical Cain.

Is Kain a girl's or a boy's name?

Kain is a boys' name. In 2025, it was given to 3 boys in the UK and 94 boys in the US. Too few girls were given it to be listed.

How popular is Kain in the UK?

Rank in 2025
#5,065among boys
Babies in 2025
3about 1 in 100,000 boys
Five-year trend
Fallingdown 52% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 3 boys in the UK were named Kain, making it the 5,065th most popular name for boys. Five years earlier, in 2020, it was 2,185th. Its busiest year was 2001, with 70 boys.

Half of all the boys named Kain in the UK since 1996 were born between 2001 and 2011. It was already well used in 1996, when the records begin, so earlier boys aren't counted.

In 2025, 114 boys in the UK were given Kain or a name that sounds the same. With every name's spellings counted this way, that ranks #411, up from #5,065 for this spelling alone.

Among boys in 2025, it was 4,974th in England and Wales.

1996Busiest: 70 in 20012025
Kain in the UK, year by year
YearBoysRank
20253#5,065
20243#5,198
20237#2,965
20226#3,219
202112#1,969
202010#2,185
20197#2,878
201810#2,234
201710#2,306
201623#1,268
201524#1,202
201424#1,196
201325#1,139
201224#1,199
201128#1,056
201043#771
200925#1,115
200826#1,071
200744#710
200636#784
200544#658
200436#724
200348#546
200261#418
200170#388
200057#428
199943#522
199848#485
199741#510
199625#677

How popular is Kain in the US?

Rank in 2025
#1,728among boys
Babies in 2025
94about 1 in 18,000 boys
Five-year trend
Steadydown 18% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 94 boys in the US were named Kain, making it the 1,728th most popular name for boys. Five years earlier, in 2020, it was 1,539th. Its busiest year was 2016, with 180 boys. It first appears in the records in 1973.

2025 had fewer boys named Kain than any year since 2006.

Half of all the boys named Kain in the US since 1880 were born between 2002 and 2017, the years shaded on the chart below.

In 2025, 1,258 boys in the US were given Kain or a name that sounds the same. With every name's spellings counted this way, that ranks #286, up from #1,728 for this spelling alone.

1973Busiest: 180 in 20162025
Kain in the US, year by year
YearBoysRank
202594#1,728
2024110#1,573
2023104#1,650
2022102#1,678
2021141#1,320
2020107#1,539
2019127#1,394
2018143#1,282
2017168#1,132
2016180#1,090
2015124#1,388
2014152#1,205
2013136#1,277
2012136#1,285
2011127#1,331
2010124#1,368
2009109#1,517
2008113#1,452
2007103#1,527
200691#1,596
200591#1,544
200471#1,760
2003108#1,295
200298#1,343
200196#1,341
2000105#1,250
199999#1,246
199896#1,258
199782#1,347
199684#1,301
199564#1,486
199451#1,729
199337#2,118
199221#3,099
199114#3,998
199012#4,401
198910#4,805
198812#3,910
198710#4,233
19869#4,453
198510#4,047
19846#5,557
198311#3,629
19829#4,232
19815#6,260
19805#6,248
19798#4,401
19788#4,155
19770–
19765#5,584
19750–
197413#2,797
19739#3,443

Names like Kain

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Kain

Names related to Kain

More Irish names

Every Irish name

Sources

Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.

To cite this page: Nameling, “Kain: name meaning, origin and popularity”, https://www.nameling.co.uk/names/kain, updated 20 October 2026.