MallowbyNames

Cailynn

KAY-lin · This name is a modern invented name, likely influenced by the popular -lynn suffix, and does not have a traditional meaning.

2025 rank (girls)
#6,546
Babies named in 2025
17
Peak popularity
2013
2025 frequency
1 in 94,545 girls
Usually for
Girls
Trend
Declining since 2012

Declining since 2012, #6,546 for girls today.

Popularity of Cailynn since 1990

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

2345681990200020102020Most births 2009Girls
Data table (by decade)
DecadeGirls
1990s123
2000s386
2010s529
2020s145

Meaning & origin

Cailynn is a modern American coinage that first entered the U.S. baby name record in 1990, reflecting the late-20th century trend of blending popular name components into new creations. Its use peaked in 2013 when it reached its highest rank, but it has been steadily declining since around 2012, fitting a pattern of names that rise and fall with generational tastes. In 2024, Cailynn ranked 6,546 and was given to roughly 1 in 94,545 newborn girls, making it an uncommon choice. The name's appeal likely comes from the familiar sounds of Caitlin (itself an Irish form of Catherine) and the stylish -lynn suffix, but it carries no historical or traditional meaning. As a relatively recent invention, Cailynn has not yet seen broader cultural adoption beyond the United States.

Cailynn is a modern coinage, first appearing in U.S. birth records in 1990. It combines the phonetic appeal of names like Kayla or Caitlin with the popular suffix -lynn, which has been fashionable since the mid-20th century. Its spelling variation with a 'C' and double 'n' distinguishes it from more established forms like Kaylyn.

Nicknames & variants

Nicknames: Cai, Lynn

Variants: Kaylyn, Kaylynn, Cailyn, Caylyn, Kaelyn

Sibling names for Cailynn

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

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

C is for Cailynn, our favorite little girl.

C is for Cailynn…”

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

Make Cailynn's book

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

Questions parents ask

What does the name Cailynn mean?
Cailynn is a modern invented name with no traditional meaning. It was likely created by combining sounds from names like Kayla or Caitlin with the popular suffix -lynn.
How popular is the name Cailynn?
According to U.S. data, Cailynn ranked 6,546 in 2024, with approximately 1 in 94,545 newborn girls given the name that year. Its peak popularity was in 2013, and it has been declining in use since about 2012.
Is Cailynn a boy or girl name?
Cailynn is almost exclusively used for girls.