Kylyn

#14,135 in 2025UnisexGirls' nameBoys' name

Meaning not yet documented

Kylyn has been given to 548 babies in the U.S. since 1991. In 2025 it ranked #14,135 of 17,293 girls’ names in use. Its peak year was 2016, with 20 recorded. It's used for both sexes: 72% girls, 28% boys all-time.

Babies named Kylyn, 2025

1 in 553,000

Kylyn over time, 1880–2025

GirlsBoys
0510152018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girls or boys — Kylyn over time

In 2025, Kylyn went to 38% girls and 62% boys.

19912025

A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.

How common is Kylyn?

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

Among all babies, 2025
1 in 553,000
6 of 3,315,165 births
Among girls only
1 in 268,000
<0.01% of girls
Rank, 2025
#14,135
of 17,293 girls’ names in use
Coin-flip room size
382,984 kids
Even odds of a second one

Where Kylyn 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 382,984 children born in 2025 and it's an even bet that one of them is another Kylyn. In a class of 30 the chance is Under 1%.

When Kylyns were born

Half of everyone ever recorded as Kylyn was born before 2009 — so the typical Kylyn is around 16 today.

Median birth year
2009
About 16 years old
Biggest decade
2000s
33.5% of all use
Born in the last 25 years
78.6%
A modern name
Recorded since 1950
397
People you could plausibly meet
Choose a decade

2000s — 33.5% of all recorded uses (133).

Is Kylyn 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
−2,450
Places dropped
Rank vs 5 years ago
−4,878
Places dropped
Rank vs 10 years ago
−3,603
Places dropped
Births vs 10 years ago
0.60×
Fewer babies than then
Share of its own peak
30.0%
Peak was 2016 (20)
Years since peak
9
Years
Year-to-year steadiness
Volatile
29.1% average annual change
Best rank ever
#6,300
2016

Spellings of Kylyn

Kylyn is not the most common spelling — Kylie is, with 24.8% against Kylyn's 0.08%.

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.

Kylyn by the numbers

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

As a girl's name

Rank in 2025
#14,135
Trend vs 5 yrs ago
Down 4,878
Best rank ever
#6,300
2016
Peak year
2016
20 that year
First recorded
1991
Last recorded
2025
All-time count
397
Count in 2025
6

As a boy's name

Rank in 2025
#7,986
Trend vs 5 yrs ago
Up 459
Best rank ever
#5,913
2021
Peak year
2021
15 that year
First recorded
1999
Last recorded
2025
All-time count
151
Count in 2025
10

Names similar to Kylyn

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

Sibling names for Kylyn

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 Kylyn