Given name & surname

Firmin

“a loyal man”·“having great strength”·“a ferryman”

Firmin is a variant of Firman. One French interpretation is “a loyal man.” Firmin is a variant of Fermin. One Spanish interpretation is “having great strength.”

Original LatinFirminus

Meaning & origin

What it means

Firmin is a variant of Firman. One French interpretation is “a loyal man.” Firmin is a variant of Fermin. One Spanish interpretation is “having great strength.” In English use, Firmin has a related form in Furman. One German interpretation is “a ferryman.”

Explained through its name family

Where it comes from

An origin associated with this spelling is Late Latin.

How it developed

In English usage, Firmin developed from FIRMINUS.

The story

The name’s historical associations include several early saints, including the first and third bishops of Amiens.

Firmin through the years

Babies since 1880
97
97 boys · 0 girls
Most popular year
1928
13 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
051015192019401960198020002025Highest share 19130.0
Firmin in U.S. Social Security birth records, 1913–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for boys is 5 in 1942. Later missing counts do not mean the name went unused. Its largest published annual count for boys was 13 in 1928. Published U.S. population figures for this spelling include 108 as a first name in 2020; 1,176 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Firmin’s family of names

Firmin shares a linguistic root with Fermin. In English usage, Firmin has a related form in Furman. Firmin has a related form in Fermin.

Walk Firmin’s family in the name graph

FirminFerminFurmanFirmanFreminFirminoFirminusFirminaFermínFermí

Inner ring: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 4

Diminutives, pet forms, short forms and variants used alongside the name.

Across languages 5

Equivalents and cognates in other languages, plus older forms it grew from.

See also 1

Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.

Similar names

If you love Firmin, these share its style, era, origin or sound, from outside its own family.

Late Latin · Virtue

Fortunato

“fortunate”

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>99% boys

Latin · Old-fashioned

Urban

“city-dweller” · “from the city”

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Late Latin · Virtue

Bonifacio

“doer of good deeds”

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Anacleto

“called on, invoked” · “irreproachable”

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Spanish

Prudencio

“a cautious man”

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>99% boys

Spanish

Placido

“untroubled” · “one who is calm”

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Late Latin

Cassell

Cassell is a surname with more than one origin.

0Not recently recorded

>99% boys

Late Latin

Emidio

Emidio is a masculine given name from Late Latin. It is used in Italian.

0Not recently recorded

>99% boys

Sibling ideas

Names that share Firmin’s feel without repeating its first letter or rhyming with it.

A brother for Firmin