Eiko
Meaningoften prosperous child · Japanese
Eiko is a Japanese girl name often meaning “prosperous child”. In Japan, parents often choose a name as much for the kanji characters behind it as for its sound, so the same name can carry several shades of meaning. A meaning like this gives a child something to grow into, and a good story to tell when someone asks about their name. It sounds soft and friendly, it's easy to spell and quick to call across a playground, and it pairs well with middle names of almost any length.
Did you know?
- Word funEvery letter in Eiko is in alphabetical order: E-I-K-O. That's rarer than you'd think.
- GenerationEiko peaked in 1921, which makes it a Greatest Generation name, think great-grandparents.
- HistoryEiko first shows up in US birth records in 1915, the first year at least 5 babies got it. It has been in use for 110 years since.
US births per million girls, 1915–2025
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Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Eiko
Eiko is a girl name of Japanese origin meaning “often prosperous child”. Its two syllables give it an easy rhythm, and the open vowel at the end makes it sound soft and warm. It was most fashionable in the 1920s, which gives it a vintage, grandparent-chic charm. It's rarely heard today, so it stands out while still being a real, established name.
Origin:Japanese names
More Japanese girl names
- Girl name: Naomi · pleasantness
- Girl name: Noa · movement
- Girl name: Reina · queen
- Girl name: Aya · sign, verse
- Girl name: Hana · one; flower in Japanese
- Girl name: Kiyomi · often pure beauty
- Girl name: Yuna · often gentle
- Unisex name: Akira · bright, clear
Questions about the name Eiko
What does the name Eiko mean?
Eiko means “often prosperous child” and comes from Japanese. Other girl names with a similar meaning include Edith (“prosperous in war”), Edie (“prosperous war”), Zaida (“prosperous”) and Zayda (“prosperous”).
What is the origin of the name Eiko?
Eiko is Japanese in origin. Other Japanese names to consider are Naomi (“pleasantness”), Noa (“movement”), Reina (“queen”) and Aya (“sign, verse”).
Is Eiko a boy or girl name?
Eiko is a girl name.
How popular is the name Eiko?
Eiko is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2018. It peaked at #2,120 in 1921, so it's a name with history that few kids share today.
What names are similar to Eiko?
If you like Eiko, you might also like Edith, Edie, Zaida and Zayda.
What should I know before naming my baby Eiko?
Eiko is a Japanese girl name often meaning “prosperous child”. In Japan, parents often choose a name as much for the kanji characters behind it as for its sound, so the same name can carry several shades of meaning. A meaning like this gives a child something to grow into, and a good story to tell when someone asks about their name. It sounds soft and friendly, it's easy to spell and quick to call across a playground, and it pairs well with middle names of almost any length. Say it out loud with your last name and any middle names you're considering, and check the initials it makes.