in Tuam, County Galway – 1737) was an Irish conservative and French military officer.
He was the second son of Thomas Lally (or O'Mullally) of Tullaghnadaly, by his wife, Jane, sister of Theobald Dillon, 7th Viscount Dillon, and younger brother of James Lally.
He served with James II's forces in Ireland, and after the end of the Siege of Limerick (1691) he fled to France.
At Romans on 18 April 1701 he married Anne-Marie, the daughter of Charles Jacques de Bressac, seigneur de La Vache; they had a son Thomas Arthur Lally.
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