Given name & surname

O'neill

O'Neill is a surname from Irish.

Meaning & origin

Where it comes from

O'Neill comes from Irish.

Adapted from Wiktionary (CC BY-SA 4.0)

O'neill’s family of names

In English usage, O'neill as a surname has a related form in O'NEAL. In English usage, O'neill as a surname has a related form in O'NEIL.

Walk O'neill’s family in the name graph

O'neillO'nealO'neilNeillO'Nile

Inner ring: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Nicknames & forms 2

Diminutives, pet forms, short forms and variants used alongside the name.

Across languages 2

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love O'neill, these share its style, era, origin or sound, from outside its own family.

Irish

O'donnell

“of Domhnall”

No U.S. birth series

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Irish

O'donnel

“of Domhnall”

No U.S. birth series

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Irish

O'connell

“descendant of Connel”

No U.S. birth series

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Irish

O'reilly

O'Reilly is a surname from Irish.

No U.S. birth series

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Irish

O'Beirne

“descendant of Bran”

No U.S. birth series

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Irish

O'Keeffe

“descendant of Caomh”

No U.S. birth series

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Irish

O'Guin

“descendant of Conn”

No U.S. birth series

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Irish

O'keefe

“descendant of Caomh”

No U.S. birth series

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Sibling ideas

Names that share O'neill’s feel without repeating its first letter or rhyming with it.

A brother for O'neill

A sister for O'neill