Jacobus is a boy name with a rare feel, drawn from real birth records. Below you'll find how many babies have been named Jacobus across the United States, UK, Ireland and New Zealand, how popular Jacobus has been over the decades, and the year it peaked.
| Country | Births on record |
|---|---|
| United States since 1880 | 142 births |
| England & Wales since 1996 | 20 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 Jacobus per year, United States (1979 to 2025). United States peaked in 1997 (8/yr) · England & Wales peaked in 2007 (4/yr).
Jacobus is a rare baby name in the United States. It was most common in 1997, when it ranked #16,505 nationally (given to 8 babies that year).
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