Kailyn

Meaning of Kailyn

Kailyn is a modern name, often considered a variant of Kaylin or Caitlin, meaning "slim and fair". It can also be associated with the Irish word "caol", meaning slender.

Kailyn has Irish roots — browse every Irish baby name in our catalog.

Popularity of Kailyn

After ranking as high as #397 in 2011, Kailyn has fallen out of the US top 1,000 as of 2025.

Notable people named Kailyn

• Kailyn Lowry
  Teen Mom reality television star
• Kaylyn Kyle
  Canadian soccer player
• Kaylyn Pryor
  American model and artist
• Kaylyn Slevin
  American actress and dancer
• Kaylyn Casanova
  American beauty pageant contestant

More Irish names

Questions about the name Kailyn

What does the name Kailyn mean?

Kailyn means kailyn is a modern name, often considered a variant of kaylin or caitlin, meaning "slim and fair". it can also be associated with the irish word "caol", meaning slender, and it comes from Irish origins.

Is Kailyn a boy's or a girl's name?

Kailyn is most commonly used as a girl's name in the United States.

How popular is the name Kailyn?

Kailyn did not appear in the top 1,000 baby names in 2025, which makes it a genuinely uncommon pick.

When was Kailyn most popular?

Kailyn peaked at #397 in 2011.