Eiji
Meaningoften prosperous second son · Japanese
Eiji is a Japanese boy name often meaning “prosperous second son”. 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?
- Scrabble scoreIf names were allowed in Scrabble, Eiji would score 11 points, thanks largely to the J (worth 8).
- GenerationEiji peaked in 1929, which makes it a Silent Generation name, think grandparents and great-grandparents.
- HistoryEiji first shows up in US birth records in 1927, the first year at least 5 babies got it. It has been in use for 98 years since.
Save adds it to your list. Vote moves it up the top voted names.
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Eiji
Eiji is a boy name of Japanese origin meaning “often prosperous second son”. 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 boy names
- Unisex name: Asa · healer
- Unisex name: Rio · river
- Unisex name: Akari · light, brightness
- Boy name: Kenzo · often healthy third son
- Boy name: Kenji · often strong second son
- Unisex name: Ren · often lotus
- Unisex name: Zen · meditation
- Unisex name: Mars · god of war
Questions about the name Eiji
What does the name Eiji mean?
Eiji means “often prosperous second son” and comes from Japanese. Other boy names with a similar meaning include Aamir (“prosperous, long-lived”), Amer (“prosperous, thriving”), Yaser (“prosperous”) and Eiichi (“often prosperous first son”).
What is the origin of the name Eiji?
Eiji is Japanese in origin. Other Japanese names to consider are Asa (“healer”), Rio (“river”), Akari (“light, brightness”) and Kenzo (“often healthy third son”).
Is Eiji a boy or girl name?
Eiji is a boy name.
How popular is the name Eiji?
Eiji is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2022. It peaked at #3,959 in 1929, so it's a name with history that few kids share today.
What names are similar to Eiji?
If you like Eiji, you might also like Aamir, Amer, Yaser and Eiichi.
What should I know before naming my baby Eiji?
Eiji is a Japanese boy name often meaning “prosperous second son”. 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.