Baby Names US
girls' name ★ peaked 1996

Cydni

Gender Girl Rank 2025 Below top lists
Rank 2025
–
among girls
Babies in 2025
<5
named Cydni
How common
–
girls born in 2025
Peak year
1996
37 babies
All-time total
590
#10,665 all-time among girls
First recorded
1960
in Social Security records

Cydni popularity over time

590 babies have been named Cydni since 1960, 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
0.010.010.020.0318801900192019401960198020002020Peak 1996Girls

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 – – – –
1950s – – – –
1960s 26 3 – #5,962
1970s 10 1 -62% #10,071
1980s 38 4 +280% #5,345
1990s 251 25 +561% #3,162
2000s 194 19 -23% #4,330
2010s 58 6 -70% #6,394
2020s (to 2025) 13 2 -63% #11,351

The story of Cydni

Cydni 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 1960, 590 American babies have been named Cydni. Its peak came in 1996, when 37 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 Cydni stood among all girls' names in any year, or use the compare tool to plot it against other names.

How old are people named Cydni?

The median living Cydni is about 26 years old; half are between 20 and 32. An estimated 600 people named Cydni are alive in the United States today.

median 26 020406080100

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

Cydni 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 8 #11,351
2020 5 #15,660
2019 – –
2018 – –
2017 – –
2016 7 #13,226
2015 – –
2014 5 #17,166
2013 9 #11,227
2012 6 #15,408
2011 20 #6,394
2010 11 #9,937
2009 17 #7,413
2008 13 #9,080
2007 17 #7,468
2006 11 #10,063
2005 18 #6,605
2004 25 #5,097
2003 30 #4,330
2002 25 #4,799
2001 17 #6,387
2000 21 #5,353
1995 27 #3,904
1990 14 #6,195
1985 13 #5,420
1980 – –
1975 – –
1970 – –
1965 5 #6,709
1960 5 #6,537
1955 – –
1950 – –
1945 – –
1940 – –
1935 – –
1930 – –
1925 – –
1920 – –
1915 – –
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Frequently asked questions

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

How old is the average Cydni?

The median living Cydni is about 26 years old. Half of all living Cydnis are between 20 and 32 years old.

How many people named Cydni are alive today?

An estimated 600 people named Cydni are alive in the United States, based on 590 recorded births and Social Security life tables.

How popular is the name Cydni in 2025?

Cydni 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 Cydni?

590 babies have been named Cydni in the United States since 1960, based on Social Security card applications.

When was the name Cydni most popular?

Cydni peaked in 1996, when 37 newborns received the name.

Is Cydni a boy or girl name?

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

Is the name Cydni rising or falling?

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

Names like Cydni

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

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