Baby Names US
Unisex name ★ peaked 2020

Mio

Meaning Mio is a feminine Japanese given name Gender Unisex · 75% girls Rank 2025 #7,383 Trend → Stable

Mio is a feminine Japanese given name.

Rank 2025
#7,383
among girls · ↓533 vs 2024
Babies in 2025
22
named Mio
How common
1 in 107,151
girls born in 2025
Peak year
2020
27 babies
All-time total
464
#14,678 all-time among girls
First recorded
1988
in Social Security records

Mio popularity over time

464 babies have been named Mio since 1988, 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 – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s – – – – – –
1980s 5 – 5 1 – #13,154
1990s 23 – 23 2 +360% #11,387
2000s 87 12 99 10 +330% #8,751
2010s 143 55 198 20 +100% #6,817
2020s (to 2025) 90 49 139 23 +17% #5,788

The story of Mio

Mio is rare for girls in the United States, ranked #7,383 in 2025 with 15 babies given the name. It is currently rising compared with a decade ago.

Since 1988, 464 American babies have been named Mio, about 75% girls and 25% boys, making it a genuinely unisex name. Its peak came in 2020, when 27 newborns received the name, the signature sound of the 2020s.

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

How old are people named Mio?

The median living Mio is about 10 years old; half are between 5 and 16. An estimated 500 people named Mio are alive in the United States today.

median 10 020406080100

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

Mio 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 15 #7,383 7 #10,339
2024 17 #6,850 5 #13,578
2023 13 #8,352 7 #10,431
2022 10 #10,174 14 #6,369
2021 14 #7,899 10 #7,962
2020 21 #5,788 6 #11,534
2019 11 #9,543 10 #8,014
2018 13 #8,465 9 #8,609
2017 15 #7,721 9 #8,610
2016 15 #7,871 8 #9,411
2015 15 #7,878 7 #10,259
2014 14 #8,363 – –
2013 13 #8,906 7 #10,365
2012 14 #8,501 – –
2011 14 #8,490 – –
2010 19 #6,817 5 #13,613
2009 14 #8,751 7 #10,620
2008 10 #11,339 – –
2007 14 #8,862 5 #13,744
2006 9 #12,105 – –
2005 8 #12,642 – –
2004 7 #13,739 – –
2003 12 #8,889 – –
2002 – – – –
2001 7 #13,008 – –
2000 6 #14,418 – –
1995 – – – –
1990 5 #14,446 – –
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 Mio

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

  1. 1 Mišo Brečko Mišo Brečko Slovenian footballer (born 1984) Contemporary
  2. 2 Mio Otani Japanese footballer b. 1979 · Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Mio?

The median living Mio is about 10 years old. Half of all living Mios are between 5 and 16 years old.

How many people named Mio are alive today?

An estimated 500 people named Mio are alive in the United States, based on 464 recorded births and Social Security life tables.

What does the name Mio mean?

Mio is a feminine Japanese given name.

How popular is the name Mio in 2025?

Mio ranked #7,383 among girls' names in the United States in 2025, with 15 babies given the name, according to Social Security Administration data.

How many people are named Mio?

464 babies have been named Mio in the United States since 1988, based on Social Security card applications.

When was the name Mio most popular?

Mio peaked in 2020, when 27 newborns received the name.

Is Mio a boy or girl name?

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

Is the name Mio rising or falling?

Mio is on the rise, noticeably more popular now than a decade ago.

Who are famous people named Mio?

Well-known people named Mio include Mišo Brečko (soccer player), Mio Otani (soccer player).

Names like Mio

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

Compare Mio with similar names → More names starting with M →