Argyll bestowed the Lordship of Kintyre on James, his eldest son by his second marriage, who, in 1635, at Dunaverty, granted a charter of the Lordship to Viscount Dunluce, eldest son of Randal MacDonnell, 1st Earl of Antrim.
His fourth son Randal MacDonnell was created Viscount Dunluce, in the County of Antrim, in 1618, and Earl of Antrim in 1620.
County Antrim | James Earl Jones | Prince Edward, Earl of Wessex | Louis Mountbatten, 1st Earl Mountbatten of Burma | Horatio Nelson, 1st Viscount Nelson | Herbert Kitchener, 1st Earl Kitchener | Charles Cornwallis, 1st Marquess Cornwallis | Earl | 1st United States Congress | Frederick Roberts, 1st Earl Roberts | Bernard Montgomery, 1st Viscount Montgomery of Alamein | Earl of Derby | William Cecil, 1st Baron Burghley | Earl Warren | Earl of Pembroke | Robert Harley, 1st Earl of Oxford and Earl Mortimer | George Villiers, 1st Duke of Buckingham | Earl of Warwick | Thomas Wentworth, 1st Earl of Strafford | Edward Smith-Stanley, 14th Earl of Derby | Earl of Shrewsbury | William Pitt, 1st Earl of Chatham | Simon de Montfort, 6th Earl of Leicester | Richard Neville, 16th Earl of Warwick | Joseph Lister, 1st Baron Lister | Earl of Leicester | Robert Baden-Powell, 1st Baron Baden-Powell | John Scott, 1st Earl of Eldon | Henry Brougham, 1st Baron Brougham and Vaux | Edward Seymour, 1st Duke of Somerset |
Antrim married Alice, daughter of Hugh O'Neill, Earl of Tyrone, by whom, besides six daughters, he had Randal, 2nd earl and 1st marquess of Antrim, and Alexander, 3rd earl.
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He fought at first against the English government, participating in his brother James's victory over Sir John Chichester at Carrickfergus in November 1597, and joining in O'Neill's rebellion in 1600.
His contemporaries included Mícheál Ó Cléirigh and Randal MacDonnell, 1st Marquess of Antrim.