There are
169
Oneails in the USA
Oneail is the
105600th
most common last name in the USA

Historical figures and celebrities called Oneail

HughO'Neill

Hugh O'Neill, also known as Hugh the Great O'Neill, was an Irish nobleman and military leader who played a significant role in the Nine Years' War against English rule in Ireland during the late 16th century. He is considered one of Ireland's most celebrated military strategists.

RoseO'Neill

Rose O'Neill was an American artist and illustrator, best known for creating the Kewpie doll characters. She was a prominent figure in the early 20th-century art scene and made significant contributions to the world of visual arts.

JohnO'Neill

John O'Neill was an Irish-American detective and chief of the Royal Irish Constabulary Special Branch. He was known for his efforts in combating Irish republican terrorism during the late 19th and early 20th centuries.

TurloughO'Neill

Turlough O'Neill was an Irish chieftain and leader of the O'Neill dynasty during the 17th century. He played a crucial role in defending Irish Gaelic culture and resisting English colonization efforts.

AnnieO'Neill

Annie O'Neill was an Irish nurse and social reformer, recognized for her contributions to healthcare and improving medical conditions in Ireland during the early 20th century. She dedicated her life to providing compassionate care to the sick and advocating for healthcare reforms.

Oneail Genealogy

OriginsThe O'Neil surname has its origins in Ireland and is associated with the ancient Irish kingdom of Ulster. It is believed to be derived from the personal name Niall, meaning 'champion' or 'cloud'. The O'Neil family played a significant role in Irish history, particularly during the medieval period.
Geographic DistributionThe O'Neil surname is most commonly found in Ireland, especially in the provinces of Ulster and Connacht. It is also present in countries with significant Irish diaspora, including the United States, Canada, Australia, and the United Kingdom.
VariationsVariations of the O'Neil surname include O'Neill, O'Neillan, Neil, Neill, Neel, and Neale.
Migration and ImmigrationThe O'Neil family has a history of migration and immigration, primarily due to economic and political factors. Many Irish people bearing the O'Neil surname emigrated to countries like the United States, Canada, and Australia during the 19th and early 20th centuries, seeking better opportunities and escaping the hardships of Ireland. Today, descendants of O'Neil immigrants can be found in these countries and others.