Cass
The Story of Cass
As a girl name
Cass first appeared in U.S. Social Security Administration records as a girl name in 1949, with 7 babies given the name that year. Its peak popularity came in 1983, when 10 Casss were born — ranking #6,212 that year. As of 2026, Cass ranks #15,899 for girls with 5 births, with steady use. In total, more than 133 Casss have been born in the U.S. since records began in 1880, spanning the 1940s through the 2020s.
As a boy name
Cass first appeared in U.S. Social Security Administration records as a boy name in 1881, with 7 babies given the name that year. Its peak popularity came in 1989, when 43 Casss were born — ranking #1,766 that year. As of 2026, Cass ranks #5,862 for boys with 15 births, falling sharply (-32%). In total, more than 2K Casss have been born in the U.S. since records began in 1880, spanning the 1880s through the 2020s.
Popularity Over Time
Popularity by State
Names that sound like Cass
Phonetically similar names — useful when Cass 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 Cass
What does the name Cass mean?
How popular is Cass in 2026?
When was Cass most popular?
In which U.S. states is Cass most popular?
Is Cass a unisex name?
What names go well with Cass?
About the name Cass
Cass is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1881 and has accumulated 2K births in the dataset. Cass's peak popularity came in 1989 when it ranked #706. Use the chart and map above to compare Cass's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 1989 →
- Names of the 1980s →
- Names starting with "C" →
- Browse all boy names →
- Top names of 2026 →
- Browse unisex names →
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.