Caithlin is a girl name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Caithlin across the United States, UK, Ireland and New Zealand, how popular Caithlin has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 20 births |
| England & Wales since 1996 | 3 births |
| Northern Ireland since 1997 | 16 births |
| Ireland since 1964 | 83 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 Caithlin per year, Ireland (1964 to 2025). Ireland peaked in 2005 (12/yr) · United States peaked in 1988 (7/yr) · Northern Ireland peaked in 2001 (4/yr) · England & Wales peaked in 2000 (3/yr).
Caithlin is a rare baby name in the United States. It was most common in 1988, when it ranked #13,939 nationally (given to 7 babies that year).
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