MallowbyNames

Keilen

KAY-lin · Of uncertain origin; likely a modern invented name.

Peak popularity
2009
Usually for
Boys
Trend
Declining since 2009

Declining since 2009.

Popularity of Keilen since 1991

Babies named Keilen per year in U.S. Social Security records.

61218200020102020Most births 2009GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1990s029
2000s19101
2010s1294
2020s031

Meaning & origin

Keilen is a modern invention that entered U.S. birth records in 1991, placing it among the wave of newly created names that emerged in the late 20th century. Its trajectory shows a clear rise to a peak in 2009, followed by a steady decline through 2025. The name has never cracked the national top 1,000, meaning it remains highly uncommon. Its one-in-N ratio was not calculated due to low frequency, and it did not concentrate in any particular state. Keilen's appeal likely stems from its similarity to trendy names like Kayden and Braylen.

Keilen first appeared in U.S. birth records in 1991, suggesting a relatively recent coinage. It seems to follow the fashionable pattern of names ending in -en or -in, but no specific derivation from existing names or words can be reliably established.

Nicknames & variants

Nicknames: Kai

Variants: Kaylen, Kaelen

Sibling names for Keilen

Names that share Keilen's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

K is for Keilen, our favorite little boy.

K is for Keilen…”

In a Mallowby alphabet book, Keilen's letter becomes Keilen's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Keilen's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Keilen mean?
The meaning of Keilen is uncertain. It appears to be a modern invented name with no established etymology.
How popular is the name Keilen?
Keilen has never ranked in the top 1,000 U.S. names. It peaked in 2009 and has been declining since.
Is Keilen a boy's or girl's name?
Keilen is almost exclusively given to boys in U.S. data, though it could be used for any gender.