Baby Names US
Unisex name ★ peaked 2017

Zo

Meaning A diminutive of the female given name Zoe Gender Unisex · 75% girls Rank 2025 #14,930

A diminutive of the female given name Zoe.

Rank 2025
#14,930
among girls · ↓2,776 vs 2024
Babies in 2025
13
named Zo
How common
1 in 267,878
girls born in 2025
Peak year
2017
49 babies
All-time total
411
#15,609 all-time among girls
First recorded
1957
in Social Security records

Zo popularity over time

411 babies have been named Zo since 1957, 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
0.010.010.020.0318801900192019401960198020002020GirlsBoys
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 6 – 6 1 – #6,083
1960s – – – – – –
1970s – – – – – –
1980s – – – – – –
1990s – – – – – –
2000s 13 5 18 2 – #14,496
2010s 173 35 208 21 +1056% #3,847
2020s (to 2025) 118 61 179 30 +43% #3,913

The story of Zo

Zo is rare for girls in the United States, ranked #14,930 in 2025 with 6 babies given the name. It is currently holding steady compared with a decade ago.

Since 1957, 411 American babies have been named Zo, about 75% girls and 25% boys, making it a genuinely unisex name. Its peak came in 2017, when 49 newborns received the name, the signature sound of the 2010s.

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

How old are people named Zo?

The median living Zo is about 6 years old; half are between 4 and 9. An estimated 400 people named Zo are alive in the United States today.

median 6 020406080100

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

Zo 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 6 #14,930 7 #10,686
2024 8 #12,154 5 #14,282
2023 16 #7,244 16 #5,925
2022 26 #5,171 16 #5,871
2021 25 #5,236 7 #10,793
2020 37 #3,913 10 #8,063
2019 34 #4,258 9 #8,878
2018 26 #5,151 6 #12,145
2017 40 #3,847 9 #8,835
2016 18 #6,900 6 #12,175
2015 14 #8,440 – –
2014 11 #10,124 5 #14,072
2013 8 #13,136 – –
2012 10 #11,249 – –
2011 6 #16,745 – –
2010 6 #16,974 – –
2009 – – – –
2008 – – – –
2007 – – – –
2006 – – – –
2005 7 #14,496 – –
2004 6 #16,089 – –
2003 – – – –
2002 – – – –
2001 – – – –
2000 – – 5 #12,118
1995 – – – –
1990 – – – –
1985 – – – –
1980 – – – –
1975 – – – –
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Famous people named Zo

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

  1. 1 Zoë Kravitz Zoë Kravitz American actress and singer (born 1988) Contemporary
  2. 2 Zoë Wanamaker Zoë Wanamaker American-born British actress (born 1949) Contemporary
  3. 3 Zoë Bell Zoë Bell New Zealand actress and stunt woman (born 1978) Contemporary
  4. 4 Zoë Lund Zoë Lund American performer and writer (1962–1999) Contemporary
  5. 5 Zoë Porphyrogenita Zoë Porphyrogenita Byzantine empress regnant in 1042 978–1050 · Medieval
  6. 6 Zoë Zoë Musical artist b. 1996 · Contemporary
  7. 7 Zoé Valdés Zoé Valdés Cuban novelist, poet, scriptwriter, film director and blogger b. 1959 · Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Zo?

The median living Zo is about 6 years old. Half of all living Zos are between 4 and 9 years old.

How many people named Zo are alive today?

An estimated 400 people named Zo are alive in the United States, based on 411 recorded births and Social Security life tables.

What does the name Zo mean?

A diminutive of the female given name Zoe.

How popular is the name Zo in 2025?

Zo ranked #14,930 among girls' names in the United States in 2025, with 6 babies given the name, according to Social Security Administration data.

How many people are named Zo?

411 babies have been named Zo in the United States since 1957, based on Social Security card applications.

When was the name Zo most popular?

Zo peaked in 2017, when 49 newborns received the name.

Is Zo a boy or girl name?

Zo is used for both: about 75% of babies named Zo have been girls and 25% boys.

Is the name Zo rising or falling?

Zo has been roughly stable over the past decade.

Who are famous people named Zo?

Well-known people named Zo include Zoë Kravitz (actor), Zoë Wanamaker (actor), Zoë Bell (actor).

Names like Zo

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

Compare Zo with similar names → More names starting with Z →