Costello is a boy name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Costello across the United States, UK, Ireland and New Zealand, how popular Costello has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 72 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 Costello per year, United States (1931 to 2025). United States peaked in 1951 (11/yr).
Costello is a rare baby name in the United States. It was most common in 1951, when it ranked #5,441 nationally (given to 11 babies that year).
Costella · Castella · Castulo · Casteel
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