Lys
#16,341 in 2025Girls' nameMeaning not yet documented
Lys has been given to 37 babies in the U.S. since 2018. In 2025 it ranked #16,341 of 17,293 girls’ names in use. Its peak year was 2018, with 11 recorded.
Babies named Lys, 2025
1 in 663,000
Lys over time, 1880–2025
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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 Lys?
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
- #16,341
- of 17,293 girls’ names in use
- Coin-flip room size
- 459,581 kids
- Even odds of a second one
Where Lys sits on the popularity scale
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.
Put another way: gather 459,581 children born in 2025 and it's an even bet that one of them is another Lys. In a class of 30 the chance is Under 1%.
When Lyss were born
Half of everyone ever recorded as Lys was born before 2019 — so the typical Lys is around 6 today.
- Biggest decade
- 2010s
- 54.1% of all use
- Born in the last 25 years
- 100.0%
- A modern name
- Recorded since 1950
- 37
- People you could plausibly meet
2010s — 54.1% of all recorded uses (20).
Is Lys 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
- 45.5%
- Peak was 2018 (11)
- Years since peak
- 7
- Years
- Year-to-year steadiness
- Steady
- 9.1% average annual change
Lys around the world
Where Lys 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.
- France1959–2025#1,331in 2025
- South Australia1954–1954#475in 1954
Popularity data from Institut national de la statistique et des études économiques and Consumer and Business Services (South Australia). INSEE data under Licence Ouverte / Etalab 2.0. CBS SA data under CC BY 4.0.
Lys by the numbers
The raw record for each sex the name is used for.
Names similar to Lys
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Lys
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.