
The short answer
Adelaide is a feminine name used in English and Italian. Behind the Name describes it this way: "Means ‘nobleness, nobility’, from the French form of the Germanic name Adalheidis, which was composed of adal ‘noble’ and the suffix heit ‘kind, sort, type’. In Britain the parallel form Alice, derived via Old French, has historically been more common than Adelaide, though this form did gain some currency in the 19th century due to the popularity of the German-born wife of King William IV, for whom the city of Adelaide in Australia was named in 1836." It ranked #289 for girls in the United States in 2025.
Meaning and etymology
According to Behind the Name, means ‘nobleness, nobility’, from the French form of the Germanic name Adalheidis, which was composed of adal ‘noble’ and the suffix heit ‘kind, sort, type’. In Britain the parallel form Alice, derived via Old French, has historically been more common than Adelaide, though this form did gain some currency in the 19th century due to the popularity of the German-born wife of King William IV, for whom the city of Adelaide in Australia was named in 1836. The entry lists its usage as English, Italian, Portuguese.
Editorial confidence: established
Popularity
Adelaide ranked #289 for girls in the United States in 2025. The figure comes from the Social Security Administration's national file for that year.
| Region | Year | Rank | Source |
|---|---|---|---|
| United States | 2025 | #289 | ssa-2025 |
If you like this name
Names that Behind the Name files under the same origin (English) and that sit near Adelaide in the 2025 American rankings.
Similar by origin
Frequently asked questions
What does the name Adelaide mean?
Adelaide means "nobleness, nobility", according to Behind the Name.
Is Adelaide a popular name?
Adelaide ranked #289 for girls in the United States in 2025. (Social Security Administration data).
Is Adelaide a boy's or a girl's name?
In the 2025 SSA data Adelaide appears in the girls' list; Behind the Name labels it feminine.
Sources
- Behind the Name: Meaning, origin and history of the name Adelaide — supports meaning, usage, pronunciation, variants.
- U.S. Social Security Administration: Popular Baby Names — national data, year of birth 2025 — supports popularity.