Lias

Boys' name

Meaning not yet documented

Lias has been given to 11 babies in the U.S. since 2022. 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 2022, with 6 recorded.

Babies named Lias, 2023

1 in 663,000

Lias over time, 1880–2025

Boys
024618801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

How common is Lias?

Lias had fewer than 5 recorded uses in 2025, so these figures use 2023, the last year it was published.

Among all babies, 2023
1 in 663,000
5 of 3,314,783 births
Among boys only
1 in 342,000
<0.01% of boys
Rank, 2023
Unranked
Fewer than 5 uses
Coin-flip room size
459,528 kids
Even odds of a second one

Where Lias 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 2023 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 459,528 children born in 2023 and it's an even bet that one of them is another Lias. In a class of 30 the chance is Under 1%.

When Liass were born

Half of everyone ever recorded as Lias was born before 2022 — so the typical Lias is around 3 today.

Median birth year
2022
About 3 years old
Biggest decade
2020s
100.0% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
11
People you could plausibly meet
Choose a decade

2020s — 100.0% of all recorded uses (11).

Is Lias 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 2022 (6)
Years since peak
3
Years
Year-to-year steadiness
Not enough data
Too few years
Best rank ever
#11,726
2022

Spellings of Lias

Lias is not the most common spelling — Liam is, with 22.1% against Lias'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.

Lias around the world

Where Lias 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
    1996–2022
    #4,790
    in 2022
  • France
    1976–1977
    #2,236
    in 1977

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.

Lias 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
#11,726
2022
Peak year
2022
6 that year
First recorded
2022
Last recorded
2023
All-time count
11
Count in 2025
Under 5

Names similar to Lias

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

Sibling names for Lias

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 Lias