?-1694; Jacobite general in War of 1689-91; uncle of Donough MacCarthy,
4th earl of Clancart[y]; served under Tyrconnell in Ireland, 1687; took
Bandon and disarmed Protestants in Cork; created Viscount Mountcashel
by James II, 1689; heavily defeated by William Wolseley and captured in
cavalry action at battle of Newtown Butler, Co. Fermanagh, 1689; escaped
to France on parole; commanded Irish Brigade with distinction for Louis
XIV; d. Barèges. ODNB
John A Murphy, Justin McCarthy, Lord Mountcashel: Commander of the
First Irish Brigade in France (Cork UP 1959), and Do. [rep.
edn.] (Black Eagle for Royal Eóghanacht Soc. 1998), 72pp.; also Justin McCarthy [Historical Association of Ireland: Life
& Times, No. 7] (Dundalk: Dundalgan Press 1997), 76pp.