Baby Names US
Unisex name ★ peaked 1986

Cassey

Gender Unisex · 92% girls Rank 2025 Below top lists
Rank 2025
–
among girls
Babies in 2025
<5
named Cassey
How common
–
girls born in 2025
Peak year
1986
98 babies
All-time total
1,846
#5,275 all-time among girls
First recorded
1968
in Social Security records

Cassey popularity over time

1,846 babies have been named Cassey since 1968, 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
0.020.040.060.0818801900192019401960198020002020GirlsBoys
GirlsBoys

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 7 – 7 1 – #5,700
1970s 155 33 188 19 +2586% #2,627
1980s 734 65 799 80 +325% #1,343
1990s 514 57 571 57 -29% #1,762
2000s 204 – 204 20 -64% #2,954
2010s 65 – 65 7 -68% #9,147
2020s (to 2025) 12 – 12 2 -69% #12,469

The story of Cassey

Cassey is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1968, 1,846 American babies have been named Cassey, about 92% girls and 8% boys, making it a genuinely unisex name. Its peak came in 1986, when 98 newborns received the name, the signature sound of the 1980s.

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

How old are people named Cassey?

The median living Cassey is about 36 years old; half are between 29 and 42. An estimated 1,800 people named Cassey are alive in the United States today.

median 36 020406080100

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

Cassey 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 – – – –
2024 – – – –
2023 – – – –
2022 – – – –
2021 7 #12,469 – –
2020 5 #15,588 – –
2019 8 #11,576 – –
2018 5 #16,169 – –
2017 – – – –
2016 10 #10,250 – –
2015 – – – –
2014 6 #14,956 – –
2013 12 #9,147 – –
2012 10 #10,597 – –
2011 6 #15,212 – –
2010 8 #12,503 – –
2009 15 #8,137 – –
2008 10 #10,958 – –
2007 11 #10,265 – –
2006 14 #8,326 – –
2005 11 #9,577 – –
2004 16 #7,146 – –
2003 25 #4,972 – –
2002 20 #5,714 – –
2001 34 #3,799 – –
2000 48 #2,954 – –
1995 39 #2,985 – –
1990 66 #2,032 11 #4,709
1985 67 #1,712 6 #5,899
1980 42 #2,313 8 #4,557
1975 16 #3,972 8 #3,999
1970 8 #5,882 – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

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

How old is the average Cassey?

The median living Cassey is about 36 years old. Half of all living Casseys are between 29 and 42 years old.

How many people named Cassey are alive today?

An estimated 1,800 people named Cassey are alive in the United States, based on 1,846 recorded births and Social Security life tables.

How popular is the name Cassey in 2025?

Cassey did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Cassey?

1,846 babies have been named Cassey in the United States since 1968, based on Social Security card applications.

When was the name Cassey most popular?

Cassey peaked in 1986, when 98 newborns received the name.

Is Cassey a boy or girl name?

Cassey is used for both: about 92% of babies named Cassey have been girls and 8% boys.

Is the name Cassey rising or falling?

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

Names like Cassey

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

Compare Cassey with similar names → More names starting with C →