Unisex name · peaked 2009

Kaydyn

Every Kaydyn since 2000 — 574 of them. Popularity, births, and rankings for each year, from official Social Security records.

Measure
Births per 1,000 babies of that sex — comparable across eras
0.010.010.020.0218801900192019401960198020002020BoysGirls
BoysGirls
Rank 2025
#8,590
among boys
Babies in 2025
9
named Kaydyn
Peak year
2009
53 babies
All-time total
574
since 2000

The story of Kaydyn

Kaydyn is rare for boys in the United States, ranked #8,590 in 2025 with 9 babies given the name. It is currently declining compared with a decade ago.

Since 2000, 574 American babies have been named Kaydyn — about 60% boys and 40% girls, making it a genuinely unisex name. Its peak came in 2009, when 53 newborns received the name — the signature sound of the 2000s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Kaydyn stood among all boys' names in any year, or use the compare tool to plot it against other names.

Kaydyn year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 9 #8,590
2024 9 #8,670
2023 13 #6,720
2022 15 #6,010
2021 14 #6,187
2020 16 #5,578
2019 5 #16,773 15 #5,966
2018 5 #16,885 14 #6,175
2017 12 #9,058 19 #5,026
2016 16 #7,424 19 #5,047
2015 8 #12,407 24 #4,232
2014 10 #10,541 25 #4,075
2013 10 #10,624 16 #5,534
2012 13 #8,889 21 #4,610
2011 22 #6,041 15 #5,824
2010 17 #7,358 18 #5,141
2009 24 #5,796 29 #3,686
2008 23 #6,035 25 #4,090
2007 20 #6,691 12 #6,865
2006 15 #8,050
2005 10 #10,526 13 #6,048
2004 8 #12,179
2003 5 #11,852
2002 5 #16,773
2001
2000 5 #16,276
1995
1990
1985
1980
1975
1970
1965
1960
1955
1950
1945
1940
1935
1930
1925
1920
1915
1910
1905
1900
1895
1890
1885
1880

Frequently asked questions

How popular is the name Kaydyn in 2025?

Kaydyn ranked #8,590 among boys' names in the United States in 2025, with 9 babies given the name, according to Social Security Administration data.

How many people are named Kaydyn?

574 babies have been named Kaydyn in the United States since 2000, based on Social Security card applications.

When was the name Kaydyn most popular?

Kaydyn peaked in 2009, when 53 newborns received the name.

Is Kaydyn a boy or girl name?

Kaydyn is used for both: about 40% of babies named Kaydyn have been girls and 60% boys.

Is the name Kaydyn rising or falling?

Kaydyn is declining — less popular now than a decade ago.

Names like Kaydyn

Compare Kaydyn with similar names →