Keilen

UnisexBoys' nameGirls' name

Meaning not yet documented

Keilen has been given to 286 babies in the U.S. since 1991. 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 2009, with 18 recorded. It's used for both sexes: 89% boys, 11% girls all-time.

Babies named Keilen, 2024

1 in 304,000

Keilen over time, 1880–2025

BoysGirls
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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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 — Keilen over time

In 2024, Keilen went to 0% girls and 100% boys.

19912024

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 Keilen?

Keilen had fewer than 5 recorded uses in 2025, so these figures use 2024, the last year it was published.

Among all babies, 2024
1 in 304,000
11 of 3,342,801 births
Among boys only
1 in 157,000
<0.01% of boys
Rank, 2024
Unranked
Fewer than 5 uses
Coin-flip room size
210,642 kids
Even odds of a second one

Where Keilen 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 2024 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 210,642 children born in 2024 and it's an even bet that one of them is another Keilen. In a class of 30 the chance is Under 1%.

When Keilens were born

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

Median birth year
2009
About 16 years old
Biggest decade
2000s
39.6% of all use
Born in the last 25 years
88.6%
A modern name
Recorded since 1950
255
People you could plausibly meet
Choose a decade

2000s — 39.6% of all recorded uses (101).

Is Keilen 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 2009 (18)
Years since peak
16
Years
Year-to-year steadiness
Volatile
34.2% average annual change
Best rank ever
#5,207
2009

Spellings of Keilen

Keilen is not the most common spelling — Kaiden is, with 34.0% against Keilen's 0.16%.

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.

Keilen around the world

Where Keilen 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.

  • South Australia
    2008–2008
    #726
    in 2008

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Keilen 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
#5,207
2009
Peak year
2009
18 that year
First recorded
1991
Last recorded
2024
All-time count
255
Count in 2025
Under 5

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#13,203
2008
Peak year
2008
8 that year
First recorded
2004
Last recorded
2012
All-time count
31
Count in 2025
Under 5

Names similar to Keilen

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

Sibling names for Keilen

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 Keilen