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Girolamo

Boys' name

Form of Hieronymos

Girolamo has been given to 74 babies in the U.S. since 1920. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1974, with 7 recorded.

Babies named Girolamo, 1995

1 in 523,000

Girolamo over time, 1880–2025

Boys
0246818801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girolamo: meaning, origin, and history

Form of Hieronymos

Deeper origin not confirmed in the cited records

What Girolamo means

Girolamo is a form of Hieronymos.

Documented naming usage and pronunciation

Girolamo is used in Italian.

Another recorded pronunciation is /d͡ʒi.ˈrɔː.la.mo/ for Girolamo.

Related names and everyday forms

Related names include Hieronymos and Jerome.

Pronunciation and spelling

In Italian, Girolamo is pronounced /d͡ʒiˈrɔ.la.mo/.

American usage and historical context

In the United States, 74 boys were recorded with the name Girolamo between 1920 and 1995. Its highest annual count was 7 in 1974; its best national rank was #3,998 in 1920.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Girolamo?

Girolamo had fewer than 5 recorded uses in 2025, so these figures use 1995, the last year it was published.

Among all babies, 1995
1 in 523,000
7 of 3,660,254 births
Among boys only
1 in 272,000
<0.01% of boys
Rank, 1995
Unranked
Fewer than 5 uses
Coin-flip room size
362,443 kids
Even odds of a second one

Where Girolamo sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 1995 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 362,443 children born in 1995 and it's an even bet that one of them is another Girolamo. In a class of 30 the chance is Under 1%.

When Girolamos were born

Half of everyone ever recorded as Girolamo was born before 1972 — so the typical Girolamo is around 53 today.

Median birth year
1972
About 53 years old
Biggest decade
1970s
40.5% of all use
Born in the last 25 years
64.9%
A modern name
Recorded since 1950
63
People you could plausibly meet
Choose a decade

1970s — 40.5% of all recorded uses (30).

Is Girolamo rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 1974 (7)
Years since peak
51
Years
Year-to-year steadiness
Steady
10.0% average annual change
Best rank ever
#3,998
1920

Girolamo around the world

Where Girolamo ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • France
    1929–1969
    #1,632
    in 1969
  • South Australia
    1963–2012
    #771
    in 2012

Popularity data from Institut national de la statistique et des études économiques and Consumer and Business Services (South Australia). INSEE data under Licence Ouverte / Etalab 2.0. CBS SA data under CC BY 4.0.

Girolamo by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#3,998
1920
Peak year
1974
7 that year
First recorded
1920
Last recorded
1995
All-time count
74
Count in 2025
Under 5

Names similar to Girolamo

Matched on shared beginnings and endings, similar length, and comparable popularity.

GirishGiroAndamoGirardKaramoAdamoRamoTiamoAmo

Sibling names for Girolamo

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Girolamo

Top names of 1974, Girolamo's peak yearThe 1970s in fullOther names that peaked in 1920Boys' names starting with G