There are
269
Oniells in the USA
Oniell is the
72332nd
most common last name in the USA

Historical figures and celebrities called Oniell

HughO'Neill

Hugh O'Neill, also known as Hugh O'Neill, Earl of Tyrone, was a Gaelic Irish nobleman and military leader who led an Irish rebellion against English rule in the late 16th century.

ShaneO'Neill

Shane O'Neill, also known as Shane O'Neill, was an Irish chieftain and leader who resisted English colonization during the Tudor period.

SineadO'Connor

Sinead O'Connor is an Irish singer-songwriter known for her unique vocal style and outspoken activism.

NeilO'Neill

Neil O'Neill is a renowned Irish historian and author, specializing in Irish history and the O'Neill dynasty.

LiamO'Neill

Liam O'Neill is a prominent Gaelic games administrator, serving as the President of the Gaelic Athletic Association (GAA) in Ireland.

Oniell Genealogy

OriginsThe origins of the O'Niell surname can be traced back to ancient Ireland, with the name originating from the powerful Ó Néill dynasty, which played a significant role in Irish history.
Geographic DistributionThe O'Niell surname is most commonly found in Ireland, especially in Northern Ireland. It is also present in other English-speaking countries with Irish diaspora, such as the United States, Canada, and Australia.
VariationsVariations of the O'Niell surname include O'Neill, O'Neale, and Neill.
Migration and ImmigrationThe O'Niell family has a history of migration and immigration, with many individuals and families emigrating from Ireland to other parts of the world, particularly during periods of economic hardship and political unrest.