Achilleus

#12,024 in 2025Boys' name

Form of Achilles

Achilleus has been given to 105 babies in the U.S. since 2009. In 2025 it ranked #12,024 of 13,926 boys’ names in use. Its peak year was 2022, with 18 recorded.

Babies named Achilleus, 2025

1 in 663,000

Achilleus over time, 1880–2025

Boys

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Achilleus: meaning, origin, and history

Form of Achilles

Deeper origin not confirmed in the cited records

What Achilleus means

Achilleus is a form of Achilles.

Documented naming usage and pronunciation

Achilleus is used in Greek Mythology and Ancient Greek.

Another recorded pronunciation is /a.kʰil.leú̯s/ for Achilleus.

Meaning behind the documented name family

The name developed through Achilleus → Achilles → Ἀχιλλεύς. The family’s proposed meaning is “distress; grief + people”, recorded in Ancient Greek with the source elements ᾰ̓́χος and λᾱός.

Related names and everyday forms

Related names include Achilles.

American usage and historical context

In the United States, 105 boys were recorded with the name Achilleus between 2009 and 2025. Its highest annual count was 18 in 2022; its best national rank was #5,213 in 2022.

Over 5 years its rank fell, from #5,450 in 2020 to #12,024 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 Achilleus?

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

Among all babies, 2025: 1 in 663,000; 5 of 3,315,165 births
Among boys only: 1 in 342,000; <0.01% of boys
Rank, 2025: #12,024; of 13,926 boys’ names in use
Coin-flip room size: 459,581 kids; Even odds of a second one

Where Achilleus 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 459,581 children born in 2025 and it's an even bet that one of them is another Achilleus. In a class of 30 the chance is Under 1%.

When Achilleuss were born

Half of everyone ever recorded as Achilleus was born before 2021 — so the typical Achilleus is around 4 today.

Median birth year: 2021; About 4 years old
Biggest decade: 2020s; 68.6% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 105; People you could plausibly meet

Choose a decade

2020s — 68.6% of all recorded uses (72).

Is Achilleus 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: +349; Places climbed
Rank vs 5 years ago: −6,574; Places dropped
Rank vs 10 years ago: —; Not ranked then
Births vs 10 years ago: —; Not published both years
Share of its own peak: 27.8%; Peak was 2022 (18)
Years since peak: 3; Years
Year-to-year steadiness: Volatile; 26.6% average annual change
Best rank ever: #5,213; 2022

Spellings of Achilleus

Achilleus is not the most common spelling — Achilles is, with 97.3% against Achilleus's 2.7%.

Achilles97.3%3,844
Achilleus2.7%105

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.

Achilleus around the world

Where Achilleus 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.

South Australia
1966–1966
#536
in 1966

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Achilleus by the numbers

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

As a boy's name

Rank in 2025: #12,024
Trend vs 5 yrs ago: Down 6,574
Best rank ever: #5,213; 2022
Peak year: 2022; 18 that year
First recorded: 2009
Last recorded: 2025
All-time count: 105
Count in 2025: 5

Names similar to Achilleus

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

Achillies Achintya Achyuth Prometheus Mattheus Astraeus Achille Timotheus Acheron Achilleas Demetreus Asmodeus Zagreus Zaccheus Thaddaeus Odysseus Alphaeus Achyut Finneus Zacchaeus Theseus Orpheus Antaeus Akhilleus

Sibling names for Achilleus

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

For a sister

Sydni Shyann Sydnie Karleigh Rhianna Keren Kendyl Jacquelin

For a brother

Kale Hamilton Aaden Evans Caesar Brennen Tobin Jerimiah

Explore around Achilleus

Top names of 2022, Achilleus's peak year The 2020s in full Other names that peaked in 2022 Boys' names starting with A