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Ilario

#10,068 in 2025Boys' name

Form of Hilarius

Ilario has been given to 191 babies in the U.S. since 1929. In 2025 it ranked #10,068 of 13,926 boys’ names in use. Its peak year was 2006, with 12 recorded.

Babies named Ilario, 2025

1 in 474,000

Ilario over time, 1880–2025

Boys
05101518801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Ilario: meaning, origin, and history

Form of Hilarius

Deeper origin not confirmed in the cited records

What Ilario means

Ilario is a form of Hilarius.

Origin, language, and formation

Ilario is used in Italian.

Ilario comes through Latin Hilarius.

Related names and everyday forms

Related names include Hilarius and Hilary.

Pronunciation and spelling

In Italian, Ilario is pronounced /iˈla.rjo/.

American usage and historical context

In the United States, 191 boys were recorded with the name Ilario between 1929 and 2025. Its highest annual count was 12 in 2006; its best national rank was #3,574 in 1931.

Over 5 years its rank fell, from #9,028 in 2020 to #10,068 in 2025. Over 10 years its rank fell, from #8,286 in 2015 to #10,068 in 2025.

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 Ilario?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 474,000
7 of 3,315,165 births
Among boys only
1 in 244,000
<0.01% of boys
Rank, 2025
#10,068
of 13,926 boys’ names in use
Coin-flip room size
328,272 kids
Even odds of a second one

Where Ilario 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 2025 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 328,272 children born in 2025 and it's an even bet that one of them is another Ilario. In a class of 30 the chance is Under 1%.

When Ilarios were born

Half of everyone ever recorded as Ilario was born before 2008 — so the typical Ilario is around 17 today.

Median birth year
2008
About 17 years old
Biggest decade
2000s
37.2% of all use
Born in the last 25 years
74.9%
A modern name
Recorded since 1950
179
People you could plausibly meet
Choose a decade

2000s — 37.2% of all recorded uses (71).

Is Ilario 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
+2,943
Places climbed
Rank vs 5 years ago
−1,040
Places dropped
Rank vs 10 years ago
−1,782
Places dropped
Births vs 10 years ago
0.78×
Fewer babies than then
Share of its own peak
58.3%
Peak was 2006 (12)
Years since peak
19
Years
Year-to-year steadiness
Volatile
36.1% average annual change
Best rank ever
#3,574
1931

Spellings of Ilario

Ilario is not the most common spelling — Mario is, with 85.0% against Ilario's 0.11%.

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.

Ilario around the world

Where Ilario 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.

  • England & Wales
    2023–2024
    #5,120
    in 2024
  • France
    1924–2025
    #2,119
    in 2025
  • South Australia
    1946–2013
    #754
    in 2013

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. CBS SA data under CC BY 4.0.

Ilario by the numbers

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

As a boy's name

Rank in 2025
#10,068
Trend vs 5 yrs ago
Down 1,040
Best rank ever
#3,574
1931
Peak year
2006
12 that year
First recorded
1929
Last recorded
2025
All-time count
191
Count in 2025
7

Names similar to Ilario

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

AmarioIlayIlaiHonorioAzarioCarioOliverioMaurioKarioValerioMarrioArioDmarioAntarioDarrioOmarioLucarioOlegarioOnofrioNazarioDevarioRomarioAlcarioMorio

Sibling names for Ilario

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 Ilario

Top names of 2006, Ilario's peak yearThe 2000s in fullOther names that peaked in 1931Boys' names starting with I