Kailyn is a girl name with a modern feel, drawn from real birth records. Below you'll find what Kailyn means and where it comes from, plus how many babies have been named Kailyn across the United States, UK, Ireland and New Zealand, how popular Kailyn has been over the decades, and the year it peaked.
Kailyn is a girl name of Modern origin meaning “blend of Kay and Lynn”. A modern respelling of Kaelyn or Caitlin.
| Country | Births on record |
|---|---|
| United States since 1880 | 14,351 births |
| England & Wales since 1996 | 62 births |
| Scotland since 1974 | 34 births |
| Ireland since 1964 | 3 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Kailyn per year, United States (1981 to 2025). United States peaked in 2011 (799/yr) · England & Wales peaked in 2011 (10/yr) · Scotland peaked in 2011 (9/yr) · Ireland peaked in 2008 (3/yr).
Kailyn has been a fairly common baby name in the United States. It was most common in 2011, when it ranked #774 nationally (given to 818 babies that year).
Callan · Kaylani · Kailani · Kaelyn · Kalani · Kellen · Galen · Kaylin
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