1. Murphy -
the sea battlers
Murphys – you win the prize for most common and widespread name in Ireland, especially
in County Cork.
This surname, which means “sea battler,” translates to Gaelic as MacMurchadh (son of Murchadh)
and O'Murchadh (descendent of Murchadh), a derivation of the first name of Murchadh or Murragh.
O'Murchadh families
lived in Wexford, Roscommon and Cork, in which county it is now most common, with the MacMurchadhs of the Sligo and Tyrone area responsible for most of the Murphys in Ulster.
The name was first anglicized to MacMurphy and then to Murphy in the early 19th century.
2.
Kelly – the bright-headed ones
Kelly comes second to Murphy as the most common surname in Ireland.
The Kellys are all over Ireland; the name originates from at around 10 different and unrelated ancient clans or septs.
These include O'Kelly septs from Meath, Derry, Antrim, Laois, Sligo, Wicklow, Kilkenny, Tipperary, Galway and Roscommon.
O'Kelly comes from the Gaelic O Ceallaigh, meaning "descended from Ceallach," an Irish chieftan. “Ceallach” means war or contention. It is an
ancient first name that is no longer used as a first name in Ireland. However, Kelly is a popular first name for women in the U.S.
3. O'Sullivan – the hawkeyed ones
Kellys may have bright heads, but O’Sullivans
have hawk-like eyes.
The O'Sullivans or Sullivans are one of the most populous of the Munster families. In Irish, O'Sullivan is O'Sileabhin, and there is no doubt that origin of the name comes from the word
sil (eye), though whether it is to be taken as "one-eyed" or "hawkeyed" is in dispute among scholars.