Cassius
Cassius is a name with a single cultural origin: Ancient Roman.
- Ancient Roman
Meaning & Origin of Cassius
What this name means, where it came from, and how it has traveled across cultures.
Cassius is a name with a single cultural origin: Ancient Roman.
Origin data from Behind the Name .
Cultural Origins (via Behind the Name)
- Ancient Roman
The Story of Cassius
American parents first put Cassius on the record books as a baby boy name in 1880, with 17 registered babies. Its peak popularity came in 2021, when 607 Cassiuss were born — ranking #485 that year. About 37% of every Cassius on record arrived during the 2020s, its defining decade. As of 2026, Cassius ranks #603 for baby boys with 482 births, gradually falling (-5%). All told, over 10K Americans have carried the name since 1880, from the 1880s to the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Cassius
Phonetically similar names — useful when Cassius is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Cassius
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About the name Cassius
Cassius is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1880 and has accumulated 10K births in the dataset. Cassius's peak popularity came in 2021 when it ranked #425. Use the chart and map above to compare Cassius's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2021 →
- Names of the 2020s →
- Names starting with "C" →
- Browse all boy names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.