Baby Names US
Unisex name ★ peaked 1990

Kacy

Gender Unisex · 83% girls Rank 2025 #8,594 Trend ↓ Falling 41%
Rank 2025
#8,594
among girls · ↓2,557 vs 2024
Babies in 2025
22
named Kacy · -27% vs 2024
How common
1 in 133,939
girls born in 2025
Peak year
1990
222 babies
All-time total
6,047
#2,561 all-time among girls
First recorded
1956
in Social Security records

Kacy popularity over time

6,047 babies have been named Kacy since 1956, 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
0.040.080.110.1518801900192019401960198020002020GirlsBoys
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 34 – 34 3 – #4,057
1960s 102 65 167 17 +391% #2,615
1970s 681 223 904 90 +441% #964
1980s 1,549 252 1,801 180 +99% #942
1990s 1,386 243 1,629 163 -10% #958
2000s 813 105 918 92 -44% #1,736
2010s 382 59 441 44 -52% #3,290
2020s (to 2025) 102 51 153 26 -42% #5,648

The story of Kacy

Kacy is rare for girls in the United States, ranked #8,594 in 2025 with 12 babies given the name. It is currently declining compared with a decade ago.

Since 1956, 6,047 American babies have been named Kacy, about 83% girls and 17% boys, making it a genuinely unisex name. Its peak came in 1990, when 222 newborns received the name, the signature sound of the 1990s.

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

How old are people named Kacy?

The median living Kacy is about 35 years old; half are between 25 and 43. An estimated 5,900 people named Kacy are alive in the United States today.

median 35 020406080100

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

Kacy 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 12 #8,594 10 #7,938
2024 20 #6,037 10 #8,029
2023 11 #9,279 12 #7,096
2022 16 #7,121 10 #8,033
2021 22 #5,648 9 #8,499
2020 21 #5,746 – –
2019 25 #5,222 7 #10,268
2018 27 #4,937 9 #8,483
2017 35 #4,179 7 #10,214
2016 40 #3,815 – –
2015 40 #3,807 5 #13,023
2014 43 #3,619 7 #10,170
2013 32 #4,481 8 #9,211
2012 41 #3,814 10 #7,837
2011 50 #3,290 6 #11,540
2010 49 #3,340 – –
2009 47 #3,486 8 #9,419
2008 53 #3,184 5 #13,555
2007 83 #2,320 9 #8,560
2006 79 #2,384 11 #7,174
2005 93 #2,024 18 #4,729
2004 98 #1,915 14 #5,636
2003 109 #1,736 11 #6,489
2002 93 #1,906 6 #10,024
2001 69 #2,313 11 #6,231
2000 89 #1,909 12 #5,738
1995 141 #1,219 21 #3,252
1990 196 #958 26 #2,580
1985 157 #976 27 #2,097
1980 138 #1,038 22 #2,323
1975 70 #1,465 35 #1,520
1970 30 #2,471 9 #3,401
1965 10 #4,336 – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

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

How old is the average Kacy?

The median living Kacy is about 35 years old. Half of all living Kacys are between 25 and 43 years old.

How many people named Kacy are alive today?

An estimated 5,900 people named Kacy are alive in the United States, based on 6,047 recorded births and Social Security life tables.

How popular is the name Kacy in 2025?

Kacy ranked #8,594 among girls' names in the United States in 2025, with 12 babies given the name, according to Social Security Administration data.

How many people are named Kacy?

6,047 babies have been named Kacy in the United States since 1956, based on Social Security card applications.

When was the name Kacy most popular?

Kacy peaked in 1990, when 222 newborns received the name.

Is Kacy a boy or girl name?

Kacy is used for both: about 83% of babies named Kacy have been girls and 17% boys.

Is the name Kacy rising or falling?

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

Names like Kacy

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

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