Spelling variations include: Hoey, McCaughey and McKeogh, among others.

The Haugheys are descendants of the ancient Dál Fiatach dynasty, rulers of Ulaid.

According to Irish tradition the Dál Fiatach descend from Fiatach Finn mac Dáire, an alleged King of Ulster and High King of Ireland in the 1st century AD.

[2] In addition to a number of Scottish clans, as well as the British royal family (through the House of Dunkeld), their lineage extends to the Darini/Dáirine.

[3] Notable bearers of the surname include: