Ilyn

#11,297 in 2025Girls' name

Meaning not yet documented

Ilyn has been given to 69 babies in the U.S. since 1998. In 2025 it ranked #11,297 of 17,293 girls’ names in use. Its peak year was 2010, with 8 recorded.

Babies named Ilyn, 2025

1 in 414,000

Ilyn over time, 1880–2025

Girls
0246818801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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

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

Among all babies, 2025
1 in 414,000
8 of 3,315,165 births
Among girls only
1 in 201,000
<0.01% of girls
Rank, 2025
#11,297
of 17,293 girls’ names in use
Coin-flip room size
287,238 kids
Even odds of a second one

Where Ilyn 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 287,238 children born in 2025 and it's an even bet that one of them is another Ilyn. In a class of 30 the chance is Under 1%.

When Ilyns were born

Half of everyone ever recorded as Ilyn was born before 2011 — so the typical Ilyn is around 14 today.

Median birth year
2011
About 14 years old
Biggest decade
2010s
50.7% of all use
Born in the last 25 years
92.8%
A modern name
Recorded since 1950
69
People you could plausibly meet
Choose a decade

2010s — 50.7% of all recorded uses (35).

Is Ilyn 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
100.0%
Peak was 2010 (8)
Years since peak
15
Years
Year-to-year steadiness
Steady
8.7% average annual change
Best rank ever
#11,297
2025

Spellings of Ilyn

Ilyn is not the most common spelling — Lily is, with 27.7% against Ilyn'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.

Ilyn by the numbers

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

As a girl's name

Rank in 2025
#11,297
Trend vs 5 yrs ago
New entry
Best rank ever
#11,297
2025
Peak year
2010
8 that year
First recorded
1998
Last recorded
2025
All-time count
69
Count in 2025
8

Names similar to Ilyn

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

Sibling names for Ilyn

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 Ilyn