Surname

O'Halleran

“descendant of Allmhurán”

O'Halleran is a surname from Irish.

Meaning & origin

What it means

O'Halleran is a form of Halloran. Halloran goes back to Irish Ó hAllmhuráin, meaning “descendant of Allmhurán.”

Adapted from Wiktionary (CC BY-SA 4.0)

Where it comes from

O'Halleran is a form of Halloran. Halloran comes from Irish.

Adapted from Wiktionary (CC BY-SA 4.0)

O'Halleran’s family of names

In English usage, O'Halleran as a surname has a related form in HALLORAN.

Walk O'Halleran’s family in the name graph

O'HalleranHalloran

The ring: nicknames and forms.

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 1

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

Similar names

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

Irish

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O'Reagan

“of Riagán”

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O'Riordan is a surname from Irish.

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“descendant of Gormán”

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Odhrán

“dun”

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>99% boys

Irish

O'Halpin

“descendant of Ailpín”

No U.S. birth series

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Sibling ideas

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

A brother for O'Halleran

A sister for O'Halleran