MallowbyNames

Caileigh

KAY-lee · Of uncertain origin; possibly a modern variant of Kaylee or a feminine form of Caelan, with debated Irish or Gaelic roots suggesting 'slender' or 'fair'.

2025 rank (girls)
#9,457
Babies named in 2025
10
Peak popularity
2008
2025 frequency
1 in 160,727 girls
Usually for
Girls
Trend
Declining since 2009

Declining since 2009, #9,457 for girls today.

Popularity of Caileigh since 1988

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

2141621990200020102020Most births 2008Girls
Data table (by decade)
DecadeGirls
1980s18
1990s222
2000s437
2010s398
2020s102

Meaning & origin

Caileigh is a modern respelling that emerged during the late 20th-century trend of creative name coinages. First recorded in 1988, it reached its peak popularity in 2008, but its usage has been steadily declining since 2009. In 2025, the name ranked 9,457th, with approximately 1 in every 160,727 girls receiving it, indicating its rarity. The name has no strong ties to any particular state, as it has not appeared in top-state data. Its etymology is uncertain, likely a phonetic variant of Kaylee, itself a modern formation. As a respelling, Caileigh exemplifies the American preference for unique spellings, though it lacks deep historical or cultural roots.

Caileigh is a modern invented spelling, part of a late 20th-century trend of creative respellings of popular names like Kaylee or Kylie. It does not have a traditional etymology; its pronunciation follows the common 'KAY-lee' pattern. The name first appeared in U.S. records in 1988, reflecting the era's preference for unique phonetic variants.

Nicknames & variants

Nicknames: Cai, Lee, Cail

Variants: Kaylee, Kaleigh, Cailey, Caylee

Sibling names for Caileigh

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

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

C is for Caileigh, our favorite little girl.

C is for Caileigh…”

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

Make Caileigh's book

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

Questions parents ask

What does the name Caileigh mean?
Caileigh is a modern invented spelling with no established meaning. It is likely derived from Kaylee or similar names, which may have Irish or Gaelic associations with 'slender' or 'fair', but these connections are speculative.
How popular is the name Caileigh?
Caileigh is relatively rare. In 2025, it ranked 9,457th in the U.S., with about 1 in every 160,727 newborn girls given the name. Its peak year was 2008, and its usage has been declining since 2009.
Is Caileigh a boy or girl name?
Caileigh is almost exclusively used as a girl's name. According to Social Security data, it is given to girls.