Kaitlyn

Did you know?

A few things about Kaitlyn you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

⭐ Famous Kaitlyn

Kaitlyn Dever

American actress (born 1996)

Choose Kaitlyn and your child shares a first name with Kaitlyn Dever, an American actress. A ready-made answer when someone asks “Kaitlyn, like who?” Kaitlyn Dever's Wikipedia article is available in 47 languages, a good sign of just how widely known they are.

Read about Kaitlyn Dever on Wikipedia ↗ (opens in a new tab)

Photo: Colleen Sturtevant, CC BY 4.0 (opens in a new tab), via Wikimedia Commons

• 👶How commonAbout 1 in every 4,728 baby girls born in the US in 2025 was named Kaitlyn, 340 babies in all. In a typical school of 500 kids, your Kaitlyn would very likely be the only one.
• 📜HistoryKaitlyn first shows up in US birth records in 1971, the first year at least 5 babies got it. It has been in use for 54 years since.
• 🏆Best yearIt was far more popular in 2000, when it ranked #30. Today it's #799, so it could be due a comeback.
• 📉Then vs nowKaitlyn was 23× more common in 2000 than it is today. In 2000 it was given to about 1 in 207 baby girls; in 2025, about 1 in 4,728.
• 🍂TrendKaitlyn has slipped 311 places over the last five years and now sits at #799. Good news if you want a familiar name that fewer kids will share.
• 📍Where it's lovedKaitlyn is most popular in Idaho, where it ranks #402, followed by Mississippi (#441) and New Jersey (#470). It's in the top 1,000 in 20 states.
• 💬MeaningKaitlyn is an English form of Caitlin, which means “pure”. Our records link it to Celtic, Gaelic and Irish roots.

About the name Kaitlyn

Kaitlyn is a girl name of Celtic, Gaelic and Irish origin meaning “pure”. It has 7 letters and 2 syllables, starting with K and ending in “-lyn”. US birth records list Kaitlyn for girls from 1971 to 2025, in 52 of those 55 years. Its best year was 2000, when it ranked #30 among girl names. In 2025 it ranked #799, with 340 babies.

Origin:Celtic namesGaelic namesIrish names