Irish Names that Start With O
- O'donovan
Origin:
Irish, 'son of the dark one"Description:
Donovan is on the rise, so why not this sequel?
- O'brien
Origin:
IrishMeaning:
"descendant of Brian"Description:
This kind of authentic Irish surname makes a memorable first name for either sex, following in the path of all the Mac and Mc names recently popular.
- Obrien
Origin:
Irish surnameMeaning:
"descendant of Brian"Description:
The use of O-prefixes could create the next wave of Irish inflected names, offering an innovative way of honoring a relative with a behind the times moniker.
- O'fallon
Origin:
IrishMeaning:
"son of the leader"Description:
Fallon has gone feminine, but this puts it back in the boys' camp.
- O'callahan
Origin:
IrishMeaning:
"son of the church lover"Description:
One of the most usable of the fashionable O'Names.
- O'keeffe
Origin:
Irish surnameDescription:
If you love the venerable Southwestern painter but feel Georgia's gotten too overheated, you might want to go all the way to this Irish surname in the fashionable O' family.