Here are some interesting facts about the Irish last name O'Donoghue, including its history, family crest, coat of arms, and famous clan members.

Everything you need to know about the Irish surname O'Donoghue

Irish derivation: Ó Donnchadha.

Name meaning: "Descendant of Donnchadh."

Counties associated with the name: Galway, Cavan, Kerry and Cork.

Read More: Millions of Irish genealogy records available for free over St Patrick's Day weekend

Coat of arms motto: "Nunquam non Paratus" or Never Unprepared.

Interesting facts about the surname O'Donoghue

  •  The family traces its lineage from the eleventh-century Eoghanacht dynasty of Munster, which participated in the battle of Clontarf in 1014.

Read More: How the last Irishman to play in the NFL got his very unlikely start

Some famous O'Donoghues:

  •  Juan de O'Donojú (1762-1821, last Viceroy of Mexico)
  •  Bernard O'Donoghue (1945-, contemporary Irish poet and academic)
  •  Florence O'Donoghue (1895–1967, Irish historian and military intelligence expert)
  •  Ben O'Donoghue (1970-, Australian Celebrity Chef)
  •  Danny O'Donoghue (1980-, lead singer of The Script)
  •  Lowitja O'Donoghue (1932-, Aboriginal Australian civil rights activist)

Do you know any O'Donoghue's? Let us know in the comments!