Sadako
Girl name · English · Japanese
- US rank
- Unranked
- Syllables
- 3
- Peak
- #1,649 in 1919
0 babies were named Sadako in the US in 2025.
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US births per million girls, 1913–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Sadako you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistorySadako first shows up in US birth records in 1913, the first year at least 5 babies got it. It has been in use for 112 years since.
- Best yearIts best year was 1919, when it reached #1,649.
About the name Sadako
Sadako is a girl name of English and Japanese origin. It has 6 letters and 3 syllables, starting with S and ending in “-ako”. US birth records list Sadako for girls from 1913 to 1940, in 22 of those 28 years. Its best year was 1919, when it ranked #1,649 among girl names. It hasn't been given to 5 or more US babies in a year since 1940, so today it's a genuinely rare choice.
Origin:English namesJapanese names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 14 | 71,502 girls |
| 1920s | 17 | 58,377 girls |
| 1930s | 3.5 | 281,690 girls |
| 1940s | 4.4 | 227,273 girls |
More English girl names
- Girl name: Olivia · olive tree
- Girl name: Charlotte · free
- Unisex name: Harper · harp player
- Girl name: Elizabeth · God is my oath
- Girl name: Lily · lily flower
- Girl name: Lucy · light
- Girl name: Lainey · possibly light
- Girl name: Scarlett · scarlet red
Questions about the name Sadako
What is the origin of the name Sadako?
Sadako has English, Japanese roots in our records. Other English names include Olivia, Charlotte, Harper.
Is Sadako a boy or girl name?
Sadako is a girl name.
How popular is the name Sadako?
Sadako is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 1940. It peaked at #1,649 in 1919.