Find out how popular the first name Oneil has been for the last 50 years (from 1974 to 2023) and learn more about the meaning and history.

Popularity of Oneil by gender

Based on the last 50 years of data, Oneil is exclusively a male name.

For the most recent data in 2023, there were 8 male babies and 0 female babies born with the name Oneil.

The history of the first name Oneil

The name Oneil has its origins in the Gaelic language, tracing back to Ireland and Scotland in the Middle Ages. It is a variant spelling of the name Niall, which itself derives from the Old Irish word "Niall" or "Nial," meaning "champion" or "cloud."

The name Niall was popular among ancient Irish kings and nobility, with one of the earliest recorded instances being Niall Noígiallach, an Irish king who ruled in the 5th century AD. He was known as Niall of the Nine Hostages, and his descendants went on to establish several powerful dynasties in Ireland, including the Uí Néill.

Oneil emerged as an anglicized spelling of the name Niall, particularly among Irish families who migrated to English-speaking regions or adopted English naming conventions. This variant spelling became more prevalent in the 17th and 18th centuries, during the waves of Irish immigration to the Americas and other parts of the world.

One of the earliest recorded instances of the Oneil spelling can be found in the writings of Edmund Spenser, an English poet who lived in Ireland during the 16th century. In his work "A View of the Present State of Ireland," Spenser mentions "the great O'Neale" in reference to the powerful O'Neill dynasty.

Throughout history, several notable individuals have borne the first name Oneil or its variant spellings. One of the most famous was Oneil Longmuir (1875-1949), a Scottish actor and playwright who was a prominent figure in the early 20th century Scottish Renaissance movement.

Another notable figure was Oneil Desiderio (1842-1913), an Italian-American musician and composer who is credited with introducing Italian opera to the United States. He was a renowned conductor and founded the Desiderio Opera Company in New York City.

In the realm of sports, Oneil Cruz (born 1998) is a prominent baseball player from the Dominican Republic, currently playing for the Pittsburgh Pirates in Major League Baseball.

Oneil Banton (born 1988) is a Jamaican reggae artist and songwriter, known for his collaborations with various dancehall and reggae artists.

Finally, Oneil Balkaran (1912-1989) was a Trinidadian lawyer and politician who served as the first President of Trinidad and Tobago after the country gained independence from the United Kingdom in 1976.

Data source

The first name data used on this page comes from the Social Security Administration (SSA). They've been collecting data on baby names since 1880.

The history and meaning of the name Oneil was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Oneil, please contact us.

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