O'Niell
Surname Origin
Surname Origin

Discover your ancestors' surnames!

Explore the O'Niell
Family Tree

Discover more about the O'Niell story

Find out who your ancestors were

Your name is all it takes to get started

Explore the O'Niell Family Tree

O'NiellBorn:FatherBorn:MotherBorn:

Ready to discover more about the O'Niell story?

Find out who your ancestors were, how they lived and what they did

Your name is all it takes to get started building your FREE family tree

O'Niell Genealogy and Family History

The earliest occurrence of the O'Niell surname in our family history documents is from 1714, and we currently have 6,257 records where O'Niell appears. Here are a few more facts to get you started…

Discover O'Niell records

Find out more about the O'Niell name by looking in our records