- O'brien
Origin:
IrishMeaning:
"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 the old-fashioned moniker Brian. On Downton Abbey, the surname O'Brien was heard so often, it began to seem like a first.
- 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.