Holding steady.
Popularity of Onelia since 1897
Babies named Onelia per year in U.S. Social Security records. Raw births topped out in 1916, but relative to how few babies were recorded back then, Onelia's real moment was 1897.
Data table (by decade)
| Decade | Girls |
|---|---|
| 1890s | 5 |
| 1900s | 5 |
| 1910s | 47 |
| 1920s | 39 |
| 1930s | 14 |
| 1940s | 0 |
| 1950s | 0 |
| 1960s | 0 |
| 1970s | 5 |
| 1980s | 14 |
| 1990s | 5 |
| 2000s | 0 |
| 2010s | 0 |
| 2020s | 5 |
Meaning & origin
Onelia is a rare and delicate-sounding name that has seen little use since it first appeared in U.S. records in 1897. It did not reach the top 1,000 names in any year, and its peak year remains 1897, the very first year of its recorded use. The name's trajectory has been stable, meaning it has never experienced a surge in popularity or a notable decline; it has simply remained extremely uncommon. The name's mysterious etymology adds to its charm: it may be a variant of the Hebrew name Odelia (meaning 'praise God') or a feminine form of the Italian/Spanish Onelio. Parents drawn to rare Italian or Spanish feminine names might appreciate Onelia's melodic, four-syllable rhythm. Despite its obscurity, the name's similarity to more recognizable names like Aurelia and Ophelia gives it a familiar yet distinctive quality.
Onelia is a rare name of uncertain derivation. It may have developed as a feminine form of the Italian or Spanish given name Onelio, which itself is of obscure origin. Another possibility is that it is a variant of Odelia, a Hebrew name meaning 'I will praise the Lord,' though this link is not firmly established. The name has seen very limited use since first being recorded in the late 19th century, primarily in the United States.
“Onelia” around the world
Where Onelia lands in the latest official birth statistics abroad, matched to the U.S. spelling.
France
5
babies in 2024
Sources: INSEE (France).
Nicknames & variants
Nicknames: Ona, Nelia
Sibling names for Onelia
Names that share Onelia's style, for a brother or sister.

