Baby Names US
Unisex name ★ peaked 2009

Kadyn

Gender Unisex · 30% girls Rank 2025 #3,018 Trend ↓ Falling 33%
Rank 2025
#3,018
among boys · ↓689 vs 2024
Babies in 2025
46
named Kadyn · -31% vs 2024
How common
1 in 41,660
boys born in 2025
Peak year
2009
372 babies
All-time total
4,732
#2,374 all-time among boys
First recorded
1993
in Social Security records

Kadyn popularity over time

4,732 babies have been named Kadyn since 1993, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.040.080.110.1518801900192019401960198020002020BoysGirls
BoysGirls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – – – – – –
1980s – – – – – –
1990s 73 72 145 15 – #3,148
2000s 806 1,570 2,376 238 +1539% #833
2010s 484 1,349 1,833 183 -23% #903
2020s (to 2025) 71 307 378 63 -66% #2,329

Where Kadyn is heading

A five-year projection from the recent trend in births per 1,000 boys (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 boys Implied rank
2026 38 0.02 outside top 500
2027 36 0.02 outside top 500
2028 34 0.02 outside top 500
2029 32 0.02 outside top 500
2030 31 0.02 outside top 500

The story of Kadyn

Kadyn is rare for boys in the United States, ranked #3,018 in 2025 with 41 babies given the name. It is currently declining compared with a decade ago.

Since 1993, 4,732 American babies have been named Kadyn, about 70% boys and 30% girls, making it a genuinely unisex name. Its peak came in 2009, when 372 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 Kadyn stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Kadyn?

The median living Kadyn is about 16 years old; half are between 11 and 19. An estimated 4,700 people named Kadyn are alive in the United States today.

median 16 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Kadyn 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 5 #16,012 41 #3,018
2024 6 #14,290 61 #2,329
2023 17 #6,786 51 #2,595
2022 13 #8,259 51 #2,635
2021 16 #7,098 54 #2,477
2020 14 #7,749 49 #2,602
2019 21 #5,884 90 #1,743
2018 21 #5,886 100 #1,633
2017 25 #5,242 95 #1,669
2016 40 #3,816 92 #1,703
2015 41 #3,732 115 #1,465
2014 49 #3,299 136 #1,302
2013 58 #2,920 150 #1,198
2012 78 #2,387 175 #1,073
2011 73 #2,495 170 #1,093
2010 78 #2,414 226 #903
2009 112 #1,882 260 #833
2008 144 #1,586 220 #925
2007 107 #1,930 230 #880
2006 112 #1,829 206 #922
2005 98 #1,956 214 #861
2004 86 #2,106 151 #1,065
2003 58 #2,720 121 #1,213
2002 40 #3,431 72 #1,655
2001 26 #4,616 59 #1,880
2000 23 #5,062 37 #2,554
1995 5 #14,446 – –
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

Quick answers about Kadyn, drawn from the same Social Security data as the charts above.

How old is the average Kadyn?

The median living Kadyn is about 16 years old. Half of all living Kadyns are between 11 and 19 years old.

How many people named Kadyn are alive today?

An estimated 4,700 people named Kadyn are alive in the United States, based on 4,732 recorded births and Social Security life tables.

How popular is the name Kadyn in 2025?

Kadyn ranked #3,018 among boys' names in the United States in 2025, with 41 babies given the name, according to Social Security Administration data.

How many people are named Kadyn?

4,732 babies have been named Kadyn in the United States since 1993, based on Social Security card applications.

When was the name Kadyn most popular?

Kadyn peaked in 2009, when 372 newborns received the name.

Is Kadyn a boy or girl name?

Kadyn is used for both: about 30% of babies named Kadyn have been girls and 70% boys.

Is the name Kadyn rising or falling?

Kadyn is declining, less popular now than a decade ago.

Will Kadyn become more popular?

Kadyn is trending downward. If the recent trend holds, we project roughly 31 boys named Kadyn in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Kadyn

Names that sound and feel close to Kadyn: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Kadyn with similar names → More names starting with K →