Hachiro
Meaningeighth son · Japanese
Hachiro is a Japanese boy name meaning “eighth 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 flowing and melodic, it's simple to spell and say, and it pairs well with a short middle name.
Did you know?
- Scrabble scoreIf names were allowed in Scrabble, Hachiro would score 15 points, thanks largely to the H (worth 4).
- GenerationHachiro peaked in 1917, which makes it a Greatest Generation name, think great-grandparents.
- HistoryHachiro first shows up in US birth records in 1917, the first year at least 5 babies got it. It has been in use for 108 years since.
US births per million boys, 1917–2025
Similar names
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 Hachiro
Hachiro is a boy name of Japanese origin meaning “eighth son”. With 3 syllables it has a flowing, lyrical sound, so a short middle name balances it nicely. It was most fashionable in the 1910s, 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 Hachiro
What does the name Hachiro mean?
Hachiro means “eighth son” and comes from Japanese. Other boy names with a similar meaning include Octavius (“eighth”), Octavian (“eighth”), October (“eighth month”) and Ottavio (“eighth”).
What is the origin of the name Hachiro?
Hachiro is Japanese in origin. Other Japanese names to consider are Asa (“healer”), Rio (“river”), Akari (“light, brightness”) and Kenzo (“often healthy third son”).
Is Hachiro a boy or girl name?
Hachiro is a boy name.
How popular is the name Hachiro?
Hachiro is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 1925. It peaked at #3,217 in 1917, so it's a name with history that few kids share today.
What names are similar to Hachiro?
If you like Hachiro, you might also like Octavius, Octavian, October and Ottavio.
What should I know before naming my baby Hachiro?
Hachiro is a Japanese boy name meaning “eighth 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 flowing and melodic, it's simple to spell and say, and it pairs well with a short middle name. Say it out loud with your last name and any middle names you're considering, and check the initials it makes.