Amalthea — girls' name
25 babies named Amalthea in U.S. Social Security records since 2016, with the highest year being 2021. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
The verdict
25 girls have been named Amalthea since 2016, peaking in the 2020s, last recorded in 2025.
- 25
- total births
- 2016–2025
- years on record
- 2020s
- peak decade
- 76%
- born in that decade
76% of everyone ever named Amalthea was born in this single decade.
7 babies were named Amalthea in 2021 — its busiest year on record.
What the Data Says About Amalthea
The Social Security Administration has registered 25 babies named Amalthea between 2016 and 2025, spanning 10 consecutive years of U.S. birth records. As a girl's name, Amalthea currently falls outside the top 1,000 girls' names for 2025. The name reached its historical peak in 2021, when 7 babies received it in a single year.
Decade-level aggregation shows that Amalthea performed strongest in the 2020s, accumulating 19 births during that ten-year window. Across the 2 decades of recorded activity, Amalthea shows a stable profile with only moderate drift from its peak decade.
No etymological entry is currently available for Amalthea in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 25 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.
Amalthea at a glance
Last recorded 2025Peak year
Current rank
Active since
Amalthea popularity over time
Annual U.S. births registered with the Social Security Administration · 2025–2016
- Peak year (2021)
- 7
- Annual births at peak — across 10 years of records
No longer in the modern top-1000 — last recorded 2025.
25 total births across 10 years of SSA records. Peaked in 2021 with 7 births in a single year.
Amalthea by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 2020s
- 19 births that decade — 76% of Amalthea's all-time total
Amalthea decade highlights
- Peak decade 19 births
- Runner-up 6 births
- Decades tracked with recorded births
2020s was Amalthea's strongest decade
19 babies received the name during that ten-year window — about 76% of all-time use.
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Data Sources
Data as of 2024. Source: U.S. Social Security Administration (SSA).
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 2016–2025 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.
State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.