Baby Names US
girls' name ★ peaked 1957

Su

Gender Girl · 5% boys Rank 2025 #10,816

A diminutive of the female given name Susan and of its variant forms.

Rank 2025
#10,816
among girls
Babies in 2025
9
named Su
How common
1 in 178,585
girls born in 2025
Peak year
1957
22 babies
All-time total
733
#9,519 all-time among girls
First recorded
1935
in Social Security records

Su popularity over time

733 babies have been named Su since 1935, 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
00.010.010.0218801900192019401960198020002020GirlsBoys
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 13 – 13 1 – #3,740
1940s 91 – 91 9 +600% #2,750
1950s 141 – 141 14 +55% #2,479
1960s 91 – 91 9 -35% #3,616
1970s 69 – 69 7 -24% #5,756
1980s 66 16 82 8 +19% #6,750
1990s 62 10 72 7 -12% #8,422
2000s 61 – 61 6 -15% #10,991
2010s 80 7 87 9 +43% #7,959
2020s (to 2025) 26 – 26 4 -50% #10,816

The story of Su

Su is rare for girls in the United States, ranked #10,816 in 2025 with 9 babies given the name. It is currently declining compared with a decade ago.

Since 1935, 733 American babies have been named Su. Its peak came in 1957, when 22 newborns received the name, the signature sound of the 1950s.

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

How old are people named Su?

The median living Su is about 46 years old; half are between 24 and 67. An estimated 700 people named Su are alive in the United States today.

median 46 020406080100

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

Su 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 9 #10,816 – –
2024 – – – –
2023 5 #17,322 – –
2022 7 #13,422 – –
2021 – – – –
2020 5 #17,225 – –
2019 7 #13,637 – –
2018 – – – –
2017 11 #9,859 – –
2016 10 #10,760 7 #10,588
2015 15 #7,959 – –
2014 7 #14,389 – –
2013 10 #10,912 – –
2012 – – – –
2011 11 #10,309 – –
2010 9 #12,136 – –
2009 7 #15,050 – –
2008 – – – –
2007 6 #17,361 – –
2006 6 #16,871 – –
2005 7 #14,326 – –
2004 6 #15,851 – –
2003 7 #13,676 – –
2002 9 #10,991 – –
2001 6 #15,109 – –
2000 7 #12,969 – –
1995 10 #8,671 – –
1990 10 #8,422 – –
1985 9 #7,488 – –
1980 8 #8,069 – –
1975 10 #5,929 – –
1970 9 #5,756 – –
1965 5 #7,394 – –
1960 11 #4,144 – –
1955 17 #2,828 – –
1950 15 #2,764 – –
1945 11 #2,895 – –
1940 – – – –
1935 6 #4,151 – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Famous people named Su

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Su Bingtian Su Bingtian Chinese sprinter (born 1989) Contemporary
  2. 2 Su Shi Su Shi Chinese writer and politician (1037–1101) Medieval
  3. 3 Su Song Su Song Polymath (1020–1101) Medieval
  4. 4 Su Tseng-chang Su Tseng-chang Taiwanese politician b. 1947 · Contemporary
  5. 5 Su Tong Su Tong Chinese writer (born 1963) Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Su?

The median living Su is about 46 years old. Half of all living Sus are between 24 and 67 years old.

How many people named Su are alive today?

An estimated 700 people named Su are alive in the United States, based on 733 recorded births and Social Security life tables.

What does the name Su mean?

A diminutive of the female given name Susan and of its variant forms.

How popular is the name Su in 2025?

Su ranked #10,816 among girls' names in the United States in 2025, with 9 babies given the name, according to Social Security Administration data.

How many people are named Su?

733 babies have been named Su in the United States since 1935, based on Social Security card applications.

When was the name Su most popular?

Su peaked in 1957, when 22 newborns received the name.

Is Su a boy or girl name?

Su is overwhelmingly a girl's name: 95% of babies with the name.

Is the name Su rising or falling?

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

Who are famous people named Su?

Well-known people named Su include Su Bingtian (athlete), Su Shi (writer), Su Song (philosopher).

Names like Su

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

Compare Su with similar names → More names starting with S →