Katlyn is a girl name with a modern feel, drawn from real birth records. Below you'll find what Katlyn means and where it comes from, plus how many babies have been named Katlyn across the United States, UK, Ireland and New Zealand, how popular Katlyn has been over the decades, and the year it peaked.
Katlyn is a girl name of Greek origin meaning “pure”. A variant spelling of Caitlin, ultimately from Catherine.
| Country | Births on record |
|---|---|
| United States since 1880 | 18,438 births |
| England & Wales since 1996 | 219 births |
| Scotland since 1974 | 56 births |
| Northern Ireland since 1997 | 27 births |
| Ireland since 1964 | 95 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 Katlyn per year, United States (1979 to 2025). United States peaked in 1995 (1,260/yr) · England & Wales peaked in 2001 (22/yr) · Ireland peaked in 2002 (15/yr) · Scotland peaked in 2000 (8/yr) · Northern Ireland peaked in 1998 (7/yr).
Katlyn has been a fairly common baby name in the United States. It was most common in 1995, when it ranked #463 nationally (given to 1,260 babies that year).
Kaitlyn · Caitlin · Katelyn · Kaitlin · Caitlyn · Katelynn · Kaitlynn · Katalina
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