Florence MacCarthy (1560–1640), was an Irish clan chief and member of the Gaelic nobility of Ireland of the late 16th-century and the last credible claimant to the Mac Carthaig Mór title before its suppression by English authority. Mac Carthaig's involvement in the Nine Years' War (1595–1603) led to his arrest by the Crown, and he spent the last 40 years of his life in custody in London. His clan's lands were divided among his relatives and Anglo-Irish colonialists.
Donough MacCarthy, 4th Earl of Clancarty (1668–1734) fought for James II in the Williamite War in Ireland at the Siege of Derry. He was attainted in 1691 after the defeat. MacCarthy went into exile to the Netherlands, where he lived for some time on the tiny island of Rottumeroog, and in Germany near Hamburg where he died.
Sir Donough MacCarty, 1st Earl of Clancarty (1594–1665), was an Irish soldier and politician. He succeeded his father as 2nd Viscount Muskerry in 1641. He rebelled against the government and joined the Irish Catholic Confederation, demanding religious freedom as a Catholic and defending the rights of the Gaelic nobility. Later, he supported the King against his Parliamentarian enemies during the Cromwellian conquest of Ireland.
Charles MacCarty, Viscount Muskerry, called Cormac in Irish, commanded a royalist battalion at the Battle of the Dunes during the interregnum. He was heir apparent to Donough MacCarty, 1st Earl of Clancarty but was killed at the age of 31 at the Battle of Lowestoft, a sea-fight against the Dutch, during the Second Anglo-Dutch War, and thus never succeeded to the earldom. He was buried in Westminster Abbey.
Almeric de Courcy, 23rd Baron Kingsale (1664–1720) was an Irish Jacobite.
Cormac Laidir MacCarthy, 9th Lord of Muskerry (1411–1494), was an Irish chieftain. He founded Kilcrea Friary and built Kilcrea Castle.
Justin McCarthy, 1st Viscount Mountcashel, PC (Ire), was a Jacobite general in the Williamite War in Ireland and a personal friend of James II. He commanded Irish Army troops during the conflict, enjoying initial success when he seized Bandon in County Cork in 1689. However, he was defeated and captured at the Battle of Newtownbutler later in the same year. He escaped and was accused of having broken parole. After the end of the war, he led an Irish Brigade overseas for service in the French Army. He died in French exile.
Sir Valentine Browne, 1st Viscount Kenmare and 3rd Baronet Browne of Molahiffe (1638–1694), was an Irish Jacobite who fought for James II of England in the Williamite War in Ireland.
Thomas Fitzmaurice, 18th Baron Kerry (1574–1630), also called Baron Lixnaw, fought in the Nine Years' War.
Cormac na hAoine MacCarthy Reagh, 13th Prince of Carbery (1490–1567) was an Irish chieftain who owned almost half a million acres in south west Ireland.
The MacCarthy dynasty of Muskerry is a tacksman branch of the MacCarthy Mor dynasty, the Kings of Desmond.
Callaghan MacCarty, 3rd Earl of Clancarty was the second son of Donough MacCarty, 1st Earl of Clancarty. Callaghan was destined for a Catholic religious career and entered a seminary in France where his family was in exile during Cromwell's rule. When his elder brother died in the Battle of Lowestoft, and the 2nd Earl, his nephew, died in infancy, he unexpectedly left his religious institution, returned to Ireland, and assumed the title. He became a Protestant and married a Protestant wife. Late in life he converted back to Catholicism.
Macroom Castle, in the centre of the town of Macroom, was once residence and fortress of the Lords of Muskerry. The castle has changed owners many times, has been besieged, burned, and rebuilt. The MacCarthys of Muskerry owned it with some interruptions from about 1353 when Muskerry was given to Dermot MacCarthy, 1st Lord of Muskerry, until 1691 when Donogh MacCarthy, 4th Earl of Clancarty lost it definitively.
Helen Burke, Countess Clanricarde, also styled Helen FitzGerald, was brought to France by her mother fleeing the Cromwellian conquest of Ireland, against which her father, the 2nd Earl Muskerry, resisted to the bitter end. In France, she was educated at the abbey of Port-Royal-des-Champs together with her cousin Elizabeth Hamilton. She married three times. All her children were by her second husband, William Burke, 7th Earl of Clanricarde. She was the mother of Ulick Burke, 1st Viscount Galway, Margaret, Viscountess Iveagh, and Honora Sarsfield.
Donal na Pipi MacCarthy Reagh was the 17th Prince of Carbery from 1593 to 1606, when he surrendered the principality to the English Crown under the policy of Surrender and Regrant.
Sir Charles MacCarthy, 1st Viscount of Muskerry, also called Cormac Oge, especially in Irish, was from a family of Irish chieftains who were the Lords of Muskerry, related to the Old English through maternal lines. He became the 17th Lord of Muskerry upon his father's death in 1616. He acquired a noble title under English law, becoming 1st Viscount Muskerry and 1st Baron Blarney under letters patent. He sat in the House of Lords in both Irish parliaments of King Charles I. He opposed Strafford, the king's viceroy in Ireland, and in 1641 contributed to his demise by submitting grievances to the king in London. Muskerry died during this mission and was buried in Westminster Abbey.
Maurice Roche, 8th Viscount Fermoy (1597–1670) was an magnate and soldier in southern Ireland, and a politician of the Irish Catholic Confederation. He joined the rebels in the Irish Rebellion of 1641 in January 1642, early for Munster, by besieging Richard Boyle, 1st Earl of Cork, a Protestant, in Youghal. He fought for the Confederates in the Irish Confederate Wars and sat on three of their Supreme Councils. He fought against the Parliamentarians in the Cromwellian conquest of Ireland and was excluded from pardon at the surrender in 1652. At the restoration of the monarchy in 1660 he recovered his title but not his lands.
Cormac MacDermot MacCarthy, 16th Lord of Muskerry (1552–1616) was an Irish magnate and soldier. He fought at the Siege of Kinsale during Tyrone's Rebellion.
Donal MacCarthy Reagh of Kilbrittain was an Irish magnate who owned the extensive lands of Carbery in south-western County Cork.
Cormac Oge Laidir MacCarthy, 10th Lord of Muskerry (1447–1536) was an Irish chieftain, styled Lord of Muskerry. In 1520 he defeated James FitzGerald, 10th Earl of Desmond in the battle of Mourne Abbey.
