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Lilias

#16,297 in 2025Girls' name

Possibly lily

Lilias has been given to 105 babies in the U.S. since 1915. In 2025 it ranked #16,297 of 17,293 girls’ names in use. Its peak year was 1922, with 11 recorded.

Babies named Lilias, 2025

1 in 663,000

Lilias over time, 1880–2025

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Lilias: meaning, origin, and history

Possibly lily

Latin

What Lilias means

Lilias may mean “lily”, associated with lilium.

Dictionary etymologyReferences, data & attribution

First recorded in 16th-century Scotland, a variant of Lilian or possibly from the Spanish Liliosa, name of a 9th-century saint, both ultimately from Late Latin lilium (“lily”).

Excerpt from Wiktionary: Lilias (English) · CC BY-SA 4.0

Wiktionary material is available under CC BY-SA 4.0.

Origin, language, and formation

Lilias is used in English. Its origins include Latin.

Lilias comes through Spanish Liliosa and Late Latin lilium.

Related names and everyday forms

Related names include Lilian.

American usage and historical context

In the United States, 105 girls were recorded with the name Lilias between 1915 and 2025. Its highest annual count was 11 in 1922; its best national rank was #3,063 in 1922.

Over 5 years its rank fell, from #14,407 in 2020 to #16,297 in 2025.

How common is Lilias?

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 girls only
1 in 321,000
<0.01% of girls
Rank, 2025
#16,297
of 17,293 girls’ names in use
Coin-flip room size
459,581 kids
Even odds of a second one

Where Lilias 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 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 Lilias. In a class of 30 the chance is Under 1%.

When Liliass were born

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

Median birth year
2016
About 9 years old
Biggest decade
2020s
30.5% of all use
Born in the last 25 years
60.0%
A modern name
Recorded since 1950
63
People you could plausibly meet
Choose a decade

2020s — 30.5% of all recorded uses (32).

Is Lilias 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
−4,581
Places dropped
Rank vs 5 years ago
−1,890
Places dropped
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
45.5%
Peak was 1922 (11)
Years since peak
103
Years
Year-to-year steadiness
Volatile
38.5% average annual change
Best rank ever
#3,063
1922

Spellings of Lilias

Lilias is not the most common spelling — Lillian is, with 62.4% against Lilias's 0.01%.

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.

Lilias around the world

Where Lilias 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
    1985–1992
    #2,396
    in 1992

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

Lilias by the numbers

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

As a girl's name

Rank in 2025
#16,297
Trend vs 5 yrs ago
Down 1,890
Best rank ever
#3,063
1922
Peak year
1922
11 that year
First recorded
1915
Last recorded
2025
All-time count
105
Count in 2025
5

Names similar to Lilias

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

LilliasLilanaLiliumLillahLilaniLiliahLilienLilikoiLiliamLillythLilianyLillarLillanLilanLilibetLilythLilliahLilleyLilyaniLilinoeLilianiLilymaeLillynLile

Sibling names for Lilias

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 Lilias

Top names of 1922, Lilias's peak yearThe 1920s in fullOther names that peaked in 1922Girls' names starting with L