Amalthea
- US rank
- #13,208
- Syllables
- 3
- Peak
- #12,206 in 2021
6 babies were named Amalthea in the US in 2025.
Found on lists
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US births per million girls, 2016–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Amalthea you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 270,270 baby girls born in the US in 2025 was named Amalthea, 6 babies in all. In a typical school of 500 kids, your Amalthea would very likely be the only one.
- HistoryAmalthea first shows up in US birth records in 2016, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2021, when it reached #12,206.
- New on the sceneAmalthea wasn't given to enough babies to be counted in 2000. It only took off after 2016.
About the name Amalthea
Amalthea is a girl name. It has 8 letters and 3 syllables, starting with A and ending in “-hea”. US birth records list Amalthea for girls from 2016 to 2025, in 4 of those 10 years. Its best year was 2021, when it ranked #12,206 among girl names. In 2025 it ranked #13,208, with 6 babies.
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2010s | 0.8 | 1,176,471 girls |
| 2020s | 1.9 | 512,821 girls |
Questions about the name Amalthea
Is Amalthea a boy or girl name?
Amalthea is a girl name.
How popular is the name Amalthea?
Amalthea ranked #13,208 for US girls in 2025, given to 6 babies. Its best year was 2021 (#12,206).