Baby Names US
Unisex name ★ peaked 2020

Kasyn

Gender Unisex · 15% girls Rank 2025 #1,799 Trend → Stable
Rank 2025
#1,799
among boys · ↑270 vs 2024
Babies in 2025
94
named Kasyn · +19% vs 2024
How common
1 in 19,192
boys born in 2025
Peak year
2020
114 babies
All-time total
1,663
#4,119 all-time among boys
First recorded
2003
in Social Security records

Kasyn popularity over time

1,663 babies have been named Kasyn since 2003, 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
0.020.040.060.0818801900192019401960198020002020BoysGirls
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 – – – – – –
2000s 45 153 198 20 – #2,730
2010s 155 737 892 89 +351% #1,747
2020s (to 2025) 50 523 573 96 +7% #1,586

Where Kasyn 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 89 0.05 outside top 500
2027 88 0.05 outside top 500
2028 88 0.05 outside top 500
2029 88 0.05 outside top 500
2030 88 0.05 outside top 500

Where Kasyn is most popular

Boys named Kasyn per 1,000 boys born in each state, 2021–2025. National average: 0.049 per 1,000. Strongest in Georgia, Mississippi, and Louisiana.

Vs national average
well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are boys named Kasyn born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State Boys 2021–2025 Per 1,000 vs national
Georgia 32 0.126 +160%
Mississippi 7 0.123 +153%
Louisiana 11 0.108 +121%
Oklahoma 5 0.057 +16%
Texas 49 0.056 +14%
Alabama 6 0.055 +13%
North Carolina 11 0.043 -11%
Indiana 5 0.031 -36%
Florida 12 0.025 -48%
Illinois 6 0.023 -52%
California 6 0.007 -87%
Alaska – – –
Arkansas – – –
Arizona – – –
Colorado – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Kansas – – –
Kentucky – – –
Massachusetts – – –
Maryland – – –
Maine – – –
Michigan – – –
Minnesota – – –
Missouri – – –
Montana – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Jersey – – –
New Mexico – – –
Nevada – – –
New York – – –
Ohio – – –
Oregon – – –
Pennsylvania – – –
Rhode Island – – –
South Carolina – – –
South Dakota – – –
Tennessee – – –
Utah – – –
Virginia – – –
Vermont – – –
Washington – – –
Wisconsin – – –
West Virginia – – –
Wyoming – – –

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Kasyn

Kasyn is rare for boys in the United States, ranked #1,799 in 2025 with 89 babies given the name. It is currently rising compared with a decade ago.

Since 2003, 1,663 American babies have been named Kasyn, about 85% boys and 15% girls, making it a genuinely unisex name. Its peak came in 2020, when 114 newborns received the name, the signature sound of the 2020s.

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 Kasyn stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Kasyn?

The median living Kasyn is about 8 years old; half are between 4 and 13. An estimated 1,700 people named Kasyn are alive in the United States today.

median 8 020406080100

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

Kasyn 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 #16,082 89 #1,799
2024 6 #14,342 73 #2,069
2023 6 #14,283 83 #1,903
2022 10 #10,055 87 #1,846
2021 12 #8,719 88 #1,796
2020 11 #9,234 103 #1,586
2019 9 #10,902 90 #1,747
2018 19 #6,385 81 #1,862
2017 18 #6,671 81 #1,835
2016 16 #7,421 85 #1,796
2015 19 #6,587 70 #2,045
2014 19 #6,582 81 #1,835
2013 12 #9,317 68 #2,011
2012 12 #9,403 64 #2,115
2011 15 #7,988 61 #2,158
2010 16 #7,709 56 #2,303
2009 13 #9,138 45 #2,730
2008 13 #9,240 39 #3,042
2007 8 #13,283 29 #3,648
2006 5 #18,587 15 #5,671
2005 – – 9 #7,998
2004 6 #15,079 9 #7,878
2003 – – 7 #9,168
2002 – – – –
2001 – – – –
2000 – – – –
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

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

How old is the average Kasyn?

The median living Kasyn is about 8 years old. Half of all living Kasyns are between 4 and 13 years old.

How many people named Kasyn are alive today?

An estimated 1,700 people named Kasyn are alive in the United States, based on 1,663 recorded births and Social Security life tables.

How popular is the name Kasyn in 2025?

Kasyn ranked #1,799 among boys' names in the United States in 2025, with 89 babies given the name, according to Social Security Administration data.

How many people are named Kasyn?

1,663 babies have been named Kasyn in the United States since 2003, based on Social Security card applications.

When was the name Kasyn most popular?

Kasyn peaked in 2020, when 114 newborns received the name.

Is Kasyn a boy or girl name?

Kasyn is used for both: about 15% of babies named Kasyn have been girls and 85% boys.

Is the name Kasyn rising or falling?

Kasyn is on the rise, noticeably more popular now than a decade ago.

Will Kasyn become more popular?

Kasyn looks stable. If the recent trend holds, we project roughly 88 boys named Kasyn in 2030, ranking outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Kasyn

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

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