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Adelio

Boys' name

Literal meaning not recorded

Adelio has been given to 17 babies in the U.S. since 2023. 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 2024, with 11 recorded.

Babies named Adelio, 2024

1 in 304,000

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Adelio: meaning, origin, and history

Literal meaning not recorded

Deeper origin not confirmed in the cited records

What Adelio means

Adelio is a given name.

Origin, language, and formation

Adelio is used in Italian and Spanish.

Pronunciation and spelling

In Spanish, Adelio is pronounced /aˈdeljo/.

American usage and historical context

In the United States, 17 boys were recorded with the name Adelio between 2023 and 2024. Its highest annual count was 11 in 2024; its best national rank was #7,263 in 2024.

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 Adelio?

Adelio had fewer than 5 recorded uses in 2025, so these figures use 2024, the last year it was published.

Among all babies, 2024
1 in 304,000
11 of 3,342,801 births
Among boys only
1 in 157,000
<0.01% of boys
Rank, 2024
Unranked
Fewer than 5 uses
Coin-flip room size
210,642 kids
Even odds of a second one

Where Adelio 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 2024 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 210,642 children born in 2024 and it's an even bet that one of them is another Adelio. In a class of 30 the chance is Under 1%.

When Adelios were born

Half of everyone ever recorded as Adelio was born before 2024 — so the typical Adelio is around 1 today.

Median birth year
2024
About 1 years old
Biggest decade
2020s
100.0% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
17
People you could plausibly meet
Choose a decade

2020s — 100.0% of all recorded uses (17).

Is Adelio 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 2024 (11)
Years since peak
1
Years
Year-to-year steadiness
Not enough data
Too few years
Best rank ever
#7,263
2024

Spellings of Adelio

Adelio is not the most common spelling — Adolfo is, with 45.3% against Adelio's 0.05%.

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.

Adelio around the world

Where Adelio 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
    1926–2025
    #1,794
    in 2025

Popularity data from Institut national de la statistique et des études économiques. INSEE data under Licence Ouverte / Etalab 2.0.

Adelio 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
#7,263
2024
Peak year
2024
11 that year
First recorded
2023
Last recorded
2024
All-time count
17
Count in 2025
Under 5

Names similar to Adelio

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

AdelsoAdemirAdetayoAderemiAdelmoAdeoluAdemarArelioArcelioAdebolaAdeolaAdelynAdeshAdeanAdennAdelineAdeleAdeemAdeenAvilioAdetolaAdeniyiAdelfoEzelio

Sibling names for Adelio

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 Adelio

Top names of 2024, Adelio's peak yearThe 2020s in fullOther names that peaked in 2024Boys' names starting with A