Demi is a girl name with a modern feel, drawn from real birth records. Below you'll find what Demi means and where it comes from, plus how many babies have been named Demi across the United States, UK, Ireland and New Zealand, how popular Demi has been over the decades, and the year it peaked.
Demi is a girl name of French origin meaning “half”. From the French word demi, also a short form of Demetria.
| Country | Births on record |
|---|---|
| United States since 1880 | 14,921 births |
| England & Wales since 1996 | 8,976 births |
| Scotland since 1974 | 1,461 births |
| Northern Ireland since 1997 | 246 births |
| Ireland since 1964 | 370 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 Demi per year, United States (1964 to 2025). United States peaked in 2020 (914/yr) · England & Wales peaked in 1996 (689/yr) · Scotland peaked in 1996 (98/yr) · Northern Ireland peaked in 1997 (28/yr) · Ireland peaked in 2006 (23/yr).
Demi has been a fairly common baby name in the United States. It was most common in 2020, when it ranked #692 nationally (given to 1,063 babies that year).
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