Aloysius is a boy name with a rare feel, drawn from real birth records. Below you'll find what Aloysius means and where it comes from, plus how many babies have been named Aloysius across the United States, UK, Ireland and New Zealand, how popular Aloysius has been over the decades, and the year it peaked.
Aloysius is a boy name of Germanic origin meaning “famous warrior”. A Latinized form of Louis.
| Country | Births on record |
|---|---|
| United States since 1880 | 5,724 births |
| England & Wales since 1996 | 24 births |
| Ireland since 1964 | 13 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 Aloysius per year, United States (1880 to 2025). United States peaked in 1916 (199/yr) · Ireland peaked in 1973 (4/yr) · England & Wales peaked in 2017 (4/yr).
Aloysius has been a fairly common baby name in the United States. It was most common in 1916, when it ranked #842 nationally (given to 199 babies that year).
Aloysuis · Aloysious · Aloisius · Ulysis
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