Cass
Masculine
Cass is given to both — 1,860 boys and 133 girls since 1880. See other names given to both
Cass is short and has more than one long name behind it. Cassius was a Roman family name; Cassandra was a Trojan princess whose curse was to be believed by nobody; and the English surname Cass comes from that second one, given to the sons of women called Cassandra in medieval England.
How old is the name Cass?
Cass first appears in US birth records in 1881 — 144 years ago. The typical Cass alive today was born around 1980, making them about 45 years old. About 1,500 people named Cass are estimated to be alive in the US today.
When was the name Cass most popular?
Cass peaked in 1881, reaching #706 nationally. Today it ranks #5045, 4,339 places below that high. See the whole 1881 chart.
Lists built from the same records:
Where it comes from
From Cassandra to Cass
The story of Cass
English surnames from mothers' names are rarer than from fathers' and are worth noticing when they appear: Cass, Marriott and Emmott are all built that way, and Cass records generations of medieval women called Cassandra, which was a surprisingly common English name in the thirteenth century. Cassius, meanwhile, was a Roman name kept alive by the conspirator in Shakespeare. As a first name Cass was given in nineteenth-century America and has been coming back for a decade.
Meaningscholars disagree
Not established
Three roads. The Roman Cassius is a family name whose meaning is unrecoverable, often connected to cassus, empty or vain, on no strong evidence. The English surname Cass is a metronymic from Cassandra, whose Greek name is also unexplained. And Cass is used as a plain clipping of both. None can be shown for a given family.
How the name formed
- Cassandra
- Cass
Related forms: Cassius · Kassandra
Pronouncing Cass
KASS
One syllable, rhyming with pass. There is no other reading.
Nicknames for Cass
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1881
- Most boys named
- 197132 — the highest on record
- Peak rank
- #706reached in 1881
- Change vs 2023
- +18.8%19 in 2025, from 16
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Cass in other languages
The same name elsewhere
- Cassius in Latin — related form
- Kassandra in Greek — related form
Strongest US states over the last decade: California.
Casss among us
people named Cass are estimated to be alive in the US today
About 1 boy in 89,899 born in 2025 was named Cass
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
What happens to a name after it peaks
Fashion outlook
Cass sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Cass beside its neighbors
The names ranked closest to Cass in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- Four letters and one syllable: fast to write and impossible to mispronounce.
- It works for a child of either sex, which some families want.
- Cassius and Cassandra are both available as formal expansions.
- It reads as a nickname to many people, who will ask what it is short for.
- A one-syllable name gives nothing to shorten and no change of register.
- Its possible origins are three and unrelated, so the meaning depends on the family.
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What they receive
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Cass
Masculine · #5045 in the U.S.
Frequently asked
- How many Casss are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 1,500 people named Cass are estimated to be alive in the US today.
- How popular is the name Cass in 2025?
- Cass ranks #5045 among US boy names in 2025, with 19 babies given the name.
- How rare is the name Cass?
- About 1 in every 89,899 US boys born in 2025 was named Cass — 19 in all.
- Will my child share the name Cass with classmates?
- Cass will almost certainly be the only one in school.
Ranked beside Cass
Names sitting at a similar level of popularity right now.
Silver#5045 · Daymon#5045 · Thierry#5045 · Mehmet#5045 · Tyrel#5045 · Teague#5045 · Zeyad#5045 · Gardner#5045
Looking for what else is popular rather than what resembles Cass? See the current top 100.
Choosing between Cass and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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