Kayin was the #8,910 boys' name in the US in 2025 (8 babies).
Kayin as a boy’s name
US
England & Wales
Canada
Babies per 1,000 of the same sex in each published list.Official rank; #1 at the top. Breaks in a line are years with too few babies to be published.Show the numbers
Year
US
England & Wales
Canada
2025
#8,910 (8)
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2023
#7,289 (11)
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2022
#7,262 (11)
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2021
#8,166 (9)
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2020
#8,739 (8)
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2019
#7,643 (10)
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2018
#7,136 (11)
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2017
#5,297 (17)
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2016
#4,327 (23)
#3,478 (5)
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2015
#8,744 (8)
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2014
#7,562 (10)
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2013
#4,981 (18)
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2012
#4,251 (23)
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2011
#5,433 (16)
#3,830 (4)
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2010
#5,047 (18)
#4,678 (3)
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Kayin as a girl’s name
US
Babies per 1,000 of the same sex in each published list.Official rank; #1 at the top. Breaks in a line are years with too few babies to be published.Show the numbers
Year
US
2023
#11,169 (8)
2022
#12,243 (7)
2014
#16,513 (5)
2013
#13,150 (7)
2011
#16,764 (5)
2010
#16,992 (5)
2007
#17,636 (5)
2006
#12,420 (8)
2005
#9,452 (11)
2004
#14,179 (6)
2002
#11,108 (8)
2001
#12,056 (7)
The tide so far
Peaked in the US in 2001 at #2,931.
Holding steady over the last five years.
First recorded in the US in 1977.
In 2023, 42% of US babies named Kayin were girls.
How common is it?
about 1 in 200,000 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.
Spellings
Official statistics count each spelling separately, so we show them side by side rather than adding them up.