Clemens
Masculine · “merciful”
Clemens is the Latin adjective for merciful, used as a name since the early church, and it is the surname of a man who spent his working life under somebody else's. Samuel Clemens took a riverboat leadsman's call for two fathoms of water as a pen name and became, under it, the most recognizable American of his century. The given name and the surname are the same word.
How old is the name Clemens?
Clemens first appears in US birth records in 1885 — 140 years ago. The typical Clemens alive today was born around 1924, making them about 101 years old. About 300 people named Clemens are estimated to be alive in the US today.
When was the name Clemens most popular?
Clemens peaked in 1890, reaching #629 nationally. See the whole 1890 chart.
Lists built from the same records:
Where it comes from
From The Latin adjective for merciful to Clemens
The story of Clemens
The word survives in English in two places that look unrelated and are not. Clemency is what a court extends when it decides not to apply the full penalty, and clement weather is weather that is not applying its full penalty either; both are the same Latin adjective doing the same job on different subjects. As a name it went into the calendar early, was taken by a long line of popes, and settled into German, Dutch and Scandinavian use in exactly this spelling, which is how it reached American registers. The literary Clemens arrived by the other route, as a family surname carried from Virginia to Missouri, and his choice of a pen name is one of the few in American letters that everybody can explain and nobody uses: the man is universally known by two words shouted from a riverboat, and his own name survives mainly as a piece of trivia attached to them.
Meaning
merciful, mild
The Latin adjective means gentle, mild or merciful, and it is the direct ancestor of the English word clemency and of the phrase clement weather. The name has been in continuous use since the first Christian centuries, carried by more than a dozen popes, and the meaning has never been in doubt. In this form it is the unaltered Latin nominative rather than a national adaptation of it, which is why it looks like a surname to English eyes.
How the name formed
- The Latin adjective for merciful
- An early Christian name and a papal one
- Clemens in German, Dutch and Scandinavian use
- Carried to America as both a given name and a surname
Related forms: Clemens · Clemens · Clement · Clemente · Clemente
Pronouncing Clemens
KLEM-enz
Two syllables, stress on the first, with the final s voiced like a z. German gives it the same shape. The English form of the name drops the s entirely and becomes Clement, which is a different spelling of the same word rather than a different name.
Nicknames for Clemens
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
- 1885
- Most boys named
- 191866 — the highest on record
- Peak rank
- #629reached in 1890
- Change vs 2020
- +28.6%9 in 2024, from 7
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.
Clemens in other languages
The same name elsewhere
- Clemens in German — same name
- Clemens in Dutch — same name
- Clement in English — same name
- Clemente in Italian — same name
- Clemente in Spanish — same name
Clemenss among us
people named Clemens are estimated to be alive in the US today
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
Questions parents actually ask
Fashion outlook
Clemens sits outside the current charts, and that is its own kind of answer: naming cycles can only date the names they carried up. A name this rare has no decade stamped on it — it cannot go out of fashion, because it was never in.
Based on 146 years of naming cycles. How we read them
The trade-off
- It is a genuine Latin name with a documented meaning and eighteen centuries of continuous use.
- It works as a given name in German, Dutch and Scandinavian families without any adjustment.
- Clem is short, plain and completely unpretentious, which balances a formal full name.
- It reads as a surname to Americans, and a great many people will assume it is one.
- The final s will be dropped by anyone who knows the name as Clement.
- It is strongly period-flavored in American use and has not come back with the other Latin names.
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Clemens
Masculine
Frequently asked
- How many Clemenss are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 300 people named Clemens are estimated to be alive in the US today.
- How popular is the name Clemens in 2025?
- Clemens is rarely given in the US today — it does not rank in the top 2000 boy names.
- Will my child share the name Clemens with classmates?
- Clemens will almost certainly be the only one in school.
More C names
The most-given names starting with C, all years combined.
Charles#48 · Christopher#68 · Carl#1132 · Christian#96 · Caleb#58 · Cameron#76 · Carlos#150 · Clarence#1499
Looking for what else is popular rather than what resembles Clemens? See the current top 100.
Choosing between Clemens and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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