Enjoy a thought provoking lecture from Professor Dauvit Broun, presented by Trinity College, Dublin.

If the name McCullough derives from “mac cu Uladh,” meaning “son of the dog of Ulster,” then it prompts the question: “Who was Cu-Uldadh?” We have suggested the origin of this name may ultimately stem from Cú Chulainn of Irish mythology. But who else used this name historically? The latter name appears to have been […]

It is commonly said that the name McCullough, like McNally, derive from the name “mac cu Uladh” or “mac con Uladh” (son of the dog of Ulster). So who was the “Hound of Ulster?” “Cú Chulainn was the great hero of the Ulster Cycle. Champion of the Irish kingdom of Ulster, he was the son […]

Rev. John McCullough was a Texas pioneer and first protestant minister in San Antonio. At that time, starting a church in Texas was considered “foreign missions.” Read more.

It is commonly accepted that the name McCullough derives from the Gaelic mac con Ulaidh, meaning “son of the hound of Ulster.” The name Mac Con Ulaidh was in use by 1532. According to the Annals of Loch Ce Seamus Mac Con Uladh or MacCullagh was killed at Dunbo (County Derry). The spelling “McCullough” is […]

Visit our sister site at clanmcculloch.org for some musings on the McCollough Project Y DNA haplogroups and what it may mean for the various lines of McCulloughs.

Join us on our new Clan McCulloch Facebook group to connect with other McCulloughs of all spelling variations and family lines.