Surname
Ó
“grandson”
Ó is a surname from Irish (ultimately Proto-Indo-European). It is used in Irish.
Meaning & origin
Where it comes from
Ó comes from Irish, and ultimately from Proto-Indo-European.
Adapted from Wiktionary (CC BY-SA 4.0)
How it developed
From Irish ó (“grandson”), from Irish ua, from Old Irish aue, from Primitive Irish ᚐᚃᚔ, from Proto-Celtic *awyos, from Proto-Indo-European *h₂ewh₂yos.
Adapted from Wiktionary (CC BY-SA 4.0)
Ó’s family of names
Inner ring: nicknames and forms · outer: across languages.
Nicknames & forms 2
Diminutives, pet forms, short forms and variants used alongside the name.
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
Similar names
If you love Ó, these share its style, era, origin or sound, from outside its own family.
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“descendant of Conn”
—