Given name & surname · also Japanese

Mio

“having great strength”·“he is mine”

Mio is used as a given name and a surname. Interpretations include “having great strength” (Japanese) and “he is mine” (Spanish). These may reflect different naming traditions.

Original Japanese水尾

Meaning & origin

What it means

Interpretations include “having great strength” (Japanese) and “he is mine” (Spanish). These may reflect different naming traditions.

Where it comes from

This spelling has been associated with Japanese and Spanish naming traditions.

How it developed

In Swedish usage, Mio is a masculine form of Mia.

The story

Published U.S. birth records include this spelling as early as 1988. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Mio through the years

Babies since 1880
464
116 boys · 348 girls
Most popular year
2020
27 babies
2025
22
#7,383 for girls · #10,339 for boys
2021–25 vs 2016–20
−4%
Steady
Boys Girls
05101520002025Highest share 2020Boys 4.1Girls 9.3
Mio in U.S. Social Security birth records, 1988–2025, per million births of each sex. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

In 2025, this name appeared in 15 U.S. birth records for girls, ranking No. 7,383 among girls’ names. Average annual use for girls was 8.0% lower in 2021–2025 than in 2016–2020. It also appeared in 7 birth records for boys in 2025. Published U.S. population figures for this spelling include 739 as a first name in 2020; 260 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Mio’s family of names

In Swedish usage, Mio is a masculine form of Mia. Mio has a related form in Myo. In Japanese usage, Mio is a Roman-alphabet rendering of 実桜.

Walk Mio’s family in the name graph

Mio水尾視音みお美桜実桜愛音美緒未央実生澪MyoMiaMihoMeo

Inner ring: spellings · middle: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Around the world

Mio has relatives in 3 languages. Lines run from its Spanish roots to each of them.

JapaneseSpanish

13 related names in 3 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Dots on the border stand for languages further away. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Nicknames & forms 1

Diminutives, pet forms, short forms and variants used alongside the name.

Across languages 3

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love Mio, these share its style, era, origin or sound, from outside its own family.

French · Modern

Bellamy

“a handsome friend”

61FamiliarRising fast

49% boys · 51% girls

Modern

Aiman

21RareSteady

45% boys · 55% girls

American · Modern

Crimson

“as rich and deep as the color”

31RareEasing

40% boys · 60% girls

Modern

Yuriah

23RareRising fast

49% boys · 51% girls

Spanish · Modern

Roa

Roa is a feminine given name from Spanish. It is used in English, Spanish, Tagalog, Cebuano, and 2 other languages.

20RareRising fast

14% boys · 86% girls

Modern

Rumi

50UncommonRising fast

40% boys · 60% girls

Modern

Rayen

11Very rareCooling

35% boys · 65% girls

Modern

Prestyn

“from the priest's town”

25RareCooling

61% boys · 39% girls

Sibling ideas

Names that share Mio’s feel without repeating its first letter or rhyming with it.

A brother for Mio

A sister for Mio