O'Reilly
Descendant of the sociable one
Gender
Unisex
Origin
Irish
Language
Irish
Country
Ireland
Length
8 letters
Lucky number
6
Zodiac
Taurus
Popularity
877
About the name O'Reilly
O'Reilly is a classic Irish surname meaning Descendant of the sociable one. Rooted in Gaelic clan heritage, it stands among the most recognised Irish last names and the wider world of Irish names.
Origin & meaning
The name carries Irish roots, with the core sense of “Descendant of the sociable one”.
Frequently asked questions
What does the name O'Reilly mean?
O'Reilly means "Descendant of the sociable one", and is of Irish origin.
Is O'Reilly a boy or a girl name?
O'Reilly is commonly used as a unisex name.
What is the origin of the name O'Reilly?
The name O'Reilly originates from Irish.