List of Famous people with last name Mountgarret

Richard Butler, 1st Viscount Mountgarret was the son of Piers Butler, 8th Earl of Ormond and Lady Margaret Fitzgerald. He married his half first cousin Eleanor Butler, daughter of Theobald Butler of Polestown, the illegitimate brother of the 8th Earl of Ormond. He was created 1st Viscount Mountgarret in 1550.

Edmund Butler, 4th Viscount Mountgarret (1595–1679) was the son of Richard Butler, 3rd Viscount Mountgarret. He acceded to his title on the death of his father in 1651 and retained his lands in the north and east of Kilkenny while many others whose families had been involved in the Catholic Confederacy lost theirs. His father had been heavily involved in the rebellion but Edmund received a pardon for all treasons and rebellions from King Charles II and was restored to his estates.

Edmund Butler, 11th Viscount Mountgarret was an Irish peer and politician.

Henry Edmund Butler, 14th Viscount Mountgarret, was a British aristocrat.

Richard Henry Piers Butler, 17th Viscount Mountgarret was a British soldier.