Baby Names US
girls' name ★ peaked 1986

Cassy

Gender Girl Rank 2025 Below top lists
Rank 2025
–
among girls
Babies in 2025
<5
named Cassy
How common
–
girls born in 2025
Peak year
1986
105 babies
All-time total
1,996
#4,711 all-time among girls
First recorded
1947
in Social Security records

Cassy popularity over time

1,996 babies have been named Cassy since 1947, 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
0.020.040.060.0818801900192019401960198020002020Peak 1986Girls

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 Per year Change Best rank
1880s – – – –
1890s – – – –
1900s – – – –
1910s – – – –
1920s – – – –
1930s – – – –
1940s 12 1 – #4,742
1950s 46 5 +283% #3,771
1960s 121 12 +163% #2,878
1970s 240 24 +98% #2,055
1980s 790 79 +229% #1,283
1990s 527 53 -33% #1,865
2000s 210 21 -60% #3,677
2010s 50 5 -76% #11,449
2020s (to 2025) – – – –

The story of Cassy

Cassy 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 1947, 1,996 American babies have been named Cassy. Its peak came in 1986, when 105 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 Cassy stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Cassy?

The median living Cassy is about 38 years old; half are between 31 and 44. An estimated 1,900 people named Cassy are alive in the United States today.

median 38 020406080100

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

Cassy year by year

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

Year Girls Girls rank
2025 – –
2024 – –
2023 – –
2022 – –
2021 – –
2020 – –
2019 5 #16,013
2018 – –
2017 6 #14,503
2016 – –
2015 7 #13,291
2014 – –
2013 6 #14,987
2012 9 #11,463
2011 8 #12,391
2010 9 #11,449
2009 7 #13,984
2008 20 #6,609
2007 16 #7,806
2006 12 #9,411
2005 24 #5,301
2004 22 #5,608
2003 15 #7,280
2002 27 #4,522
2001 32 #3,963
2000 35 #3,677
1995 38 #3,034
1990 76 #1,865
1985 78 #1,554
1980 52 #2,018
1975 13 #4,624
1970 14 #4,063
1965 11 #3,978
1960 15 #3,230
1955 – –
1950 – –
1945 – –
1940 – –
1935 – –
1930 – –
1925 – –
1920 – –
1915 – –
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Frequently asked questions

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

How old is the average Cassy?

The median living Cassy is about 38 years old. Half of all living Cassys are between 31 and 44 years old.

How many people named Cassy are alive today?

An estimated 1,900 people named Cassy are alive in the United States, based on 1,996 recorded births and Social Security life tables.

How popular is the name Cassy in 2025?

Cassy 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 Cassy?

1,996 babies have been named Cassy in the United States since 1947, based on Social Security card applications.

When was the name Cassy most popular?

Cassy peaked in 1986, when 105 newborns received the name.

Is Cassy a boy or girl name?

Cassy is overwhelmingly a girl's name: 100% of babies with the name.

Is the name Cassy rising or falling?

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

Names like Cassy

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

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