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Onofrio

Boys' name

Form of Onuphrius

Onofrio has been given to 269 babies in the U.S. since 1913. 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 1922, with 17 recorded.

Babies named Onofrio, 1979

1 in 416,000

Onofrio over time, 1880–2025

Boys
0510152018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Onofrio: meaning, origin, and history

Form of Onuphrius

Deeper origin not confirmed in the cited records

What Onofrio means

Onofrio is a form of Onuphrius.

Documented naming usage and pronunciation

Onofrio is used in Italian.

Another recorded pronunciation is /o.ˈnɔ.frjo/ for Onofrio.

Related names and everyday forms

Related names include Onuphrius.

Pronunciation and spelling

In Italian, Onofrio is pronounced /oˈnɔ.frjo/.

American usage and historical context

In the United States, 269 boys were recorded with the name Onofrio between 1913 and 1979. Its highest annual count was 17 in 1922; its best national rank was #2,009 in 1922.

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 Onofrio?

Onofrio had fewer than 5 recorded uses in 2025, so these figures use 1979, the last year it was published.

Among all babies, 1979
1 in 416,000
8 of 3,326,731 births
Among boys only
1 in 215,000
<0.01% of boys
Rank, 1979
Unranked
Fewer than 5 uses
Coin-flip room size
288,240 kids
Even odds of a second one

Where Onofrio 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 1979 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 288,240 children born in 1979 and it's an even bet that one of them is another Onofrio. In a class of 30 the chance is Under 1%.

When Onofrios were born

Half of everyone ever recorded as Onofrio was born before 1925 — so the typical Onofrio is around 100 today.

Median birth year
1925
About 100 years old
Biggest decade
1920s
40.5% of all use
Born in the last 25 years
16.7%
Spread across generations
Recorded since 1950
45
People you could plausibly meet
Choose a decade

1920s — 40.5% of all recorded uses (109).

Is Onofrio 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 1922 (17)
Years since peak
103
Years
Year-to-year steadiness
Shifting
23.8% average annual change
Best rank ever
#2,009
1922

Spellings of Onofrio

Onofrio is not the most common spelling — Ontario is, with 76.5% against Onofrio's 23.5%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Onofrio is used

Across 1910–2025, Onofrio was most concentrated in New York — about 1 in 100,000 boys, against 1 in 112,914 across all states with data.

11 per 100,000

Most concentrated

  1. 1New York1 in 100,000

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Onofrio has too little recent state data to map, so this covers all years from 1910.

Onofrio around the world

Where Onofrio 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
    1957–1972
    #1,813
    in 1972
  • South Australia
    1948–1965
    #574
    in 1965

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.

Onofrio 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
#2,009
1922
Peak year
1922
17 that year
First recorded
1913
Last recorded
1979
All-time count
269
Count in 2025
Under 5

Names similar to Onofrio

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

HonorioValerioOnofreOliverioOnorioIlarioOlegarioNazarioAmarioRomarioDamarioJamarioAntarioLucarioNasarioLiborioSaverioRogerioLamarioDevarioMaurioMonterioAlcarioDenario

Sibling names for Onofrio

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 Onofrio

Top names of 1922, Onofrio's peak yearThe 1920s in fullOther names that peaked in 1922Boys' names starting with O