Ilithyia

Girls' name

The readycomer

Ilithyia has been given to 100 babies in the U.S. since 2011. 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 2012, with 12 recorded.

Babies named Ilithyia, 2021

1 in 282,000

Ilithyia over time, 1880–2025

Girls

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Ilithyia: meaning, origin, and history

The readycomer

Deeper origin not confirmed in the cited records

What Ilithyia means

Ilithyia means “the readycomer”.

Documented naming usage and pronunciation

Ilithyia is used in Greek Mythology (Latinized).

American usage and historical context

In the United States, 100 girls were recorded with the name Ilithyia between 2011 and 2021. Its highest annual count was 12 in 2012; its best national rank was #8,683 in 2021.

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.

U.S. Social Security Administration: national name data and limitations

How common is Ilithyia?

Ilithyia had fewer than 5 recorded uses in 2025, so these figures use 2021, the last year it was published.

Among all babies, 2021: 1 in 282,000; 12 of 3,389,958 births
Among girls only: 1 in 137,000; <0.01% of girls
Rank, 2021: Unranked; Fewer than 5 uses
Coin-flip room size: 195,813 kids; Even odds of a second one

Where Ilithyia sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2021 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 195,813 children born in 2021 and it's an even bet that one of them is another Ilithyia. In a class of 30 the chance is Under 1%.

When Ilithyias were born

Half of everyone ever recorded as Ilithyia was born before 2016 — so the typical Ilithyia is around 9 today.

Median birth year: 2016; About 9 years old
Biggest decade: 2010s; 79.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 100; People you could plausibly meet

Choose a decade

2010s — 79.0% of all recorded uses (79).

Is Ilithyia 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 2012 (12)
Years since peak: 13; Years
Year-to-year steadiness: Volatile; 32.3% average annual change
Best rank ever: #8,683; 2021

Ilithyia around the world

Where Ilithyia 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
2011–2018
#3,985
in 2018
France
2013–2024
#6,535
in 2024

Popularity data from Office for National Statistics and Institut national de la statistique et des études économiques. ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0.

Ilithyia by the numbers

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

As a girl's name

Rank in 2025: Unranked
Trend vs 5 yrs ago: —
Best rank ever: #8,683; 2021
Peak year: 2012; 12 that year
First recorded: 2011
Last recorded: 2021
All-time count: 100
Count in 2025: Under 5

Names similar to Ilithyia

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

Iliyana Iliani Iliany Latonyia Jalayia Iliyah Ilisha Natalyia Ilina Iliza Indyia Ilianna Talayia Shakyia Makayia Shakeyia Tanayia Nakeyia Malayia Jamayia Janayia Ilissa Ilicia Alexyia

Sibling names for Ilithyia

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

Sofie Aubri Kaelynn Kendyl Bayleigh Audriana Cambria Farah

For a brother

Konnor Landry Harper Jovanni Maxim Channing Madden Eliot

Explore around Ilithyia

Top names of 2012, Ilithyia's peak year The 2010s in full Other names that peaked in 2021 Girls' names starting with I