MallowbyNames

Caileen

KAY-leen · Of uncertain origin; possibly a variant of Kayleen or a modern blend of Kay and Eileen.

Peak popularity
2010
Usually for
Girls
Trend
Holding steady

Holding steady.

Popularity of Caileen since 1988

Babies named Caileen per year in U.S. Social Security records. Raw births topped out in 1992, but relative to how few babies were recorded back then, Caileen's real moment was 2010.

37101990200020102020Most births 1992Girls
Data table (by decade)
DecadeGirls
1980s9
1990s62
2000s38
2010s30
2020s0

Meaning & origin

Caileen is a modern American name that first appeared in Social Security records in 1988. It represents a creative blend or respelling, typical of late 20th-century naming trends. Though it has never reached the top 1000, it saw its highest usage in 2010, after which its trajectory stabilized. The name is almost entirely given to girls, and its rarity means it has no strong association with any particular state. Parents drawn to names like Kayleen or Cayleen may consider Caileen a distinctive alternative.

Caileen is a modern American coinage, likely formed by blending elements of names like Kay and Eileen, or as a respelling of Kayleen. It first appeared in U.S. records in 1988 and saw modest use during the 2000s and 2010s, with its peak year in 2010. The name has remained relatively stable in usage since then, but has never entered the top 1000 names.

Nicknames & variants

Nicknames: Cay, Cake, Lee

Variants: Kayleen, Kaileen, Cayleen

Sibling names for Caileen

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

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

C is for Caileen, our favorite little girl.

C is for Caileen…”

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

Make Caileen's book

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

Questions parents ask

What does the name Caileen mean?
Caileen is a modern name of uncertain origin, possibly a variant of Kayleen or a blend of Kay and Eileen. No traditional meaning has been established.
How popular is the name Caileen?
Caileen has never ranked in the U.S. top 1000. Its peak usage was in 2010, but it remains very rare.
Is Caileen a boy or girl name?
Caileen is almost exclusively used as a girl's name.