Louisa is a girl name with a modern feel, drawn from real birth records. Below you'll find what Louisa means and where it comes from, plus how many babies have been named Louisa across the United States, UK, Ireland and New Zealand, how popular Louisa has been over the decades, and the year it peaked.
Louisa is a girl name of Germanic origin meaning “renowned warrior”. A feminine form of Louis, from hlud meaning fame and wig meaning war.
| Country | Births on record |
|---|---|
| United States since 1880 | 21,937 births |
| England & Wales since 1996 | 4,889 births |
| Scotland since 1974 | 1,101 births |
| Northern Ireland since 1997 | 105 births |
| Ireland since 1964 | 447 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 Louisa per year, United States (1880 to 2025). United States peaked in 2021 (424/yr) · England & Wales peaked in 2007 (263/yr) · Scotland peaked in 1978 (55/yr) · Ireland peaked in 1978 (19/yr) · Northern Ireland peaked in 2016 (13/yr).
Louisa is an uncommon baby name in the United States. It was most common in 2021, when it ranked #1,325 nationally (given to 449 babies that year).
Lisa · Louise · Louis · Luis · Lewis · Lucia · Lesa · Liza
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