Cosmo is a boy name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Cosmo across the United States, UK, Ireland and New Zealand, how popular Cosmo has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 2,955 births |
| England & Wales since 1996 | 690 births |
| Scotland since 1974 | 15 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 Cosmo per year, United States (1910 to 2025). United States peaked in 2022 (105/yr) · England & Wales peaked in 2025 (57/yr) · Ireland peaked in 2025 (3/yr) · Scotland peaked in 2002 (3/yr).
Cosmo is an uncommon baby name in the United States. It was most common in 2022, when it ranked #3,482 nationally (given to 142 babies that year).
Cosimo · Cosma · Cosima · Cosme · Kosmo
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