[1] It was created in 1952 for the Ulster Unionist politician and Prime Minister of Northern Ireland, Captain The Rt.

His son, Sir Henry Brooke (died 1671), was granted the lands of and around Achadh Lon (renamed in English as Brookeborough) in County Fermanagh, also in West Ulster.

His son, Thomas Brooke (died c. 1696), of Colebrooke, County Fermanagh, was a Member of the Irish Parliament and supporter of William III and Mary II.

Next in line, the son, Henry Brooke (1671–1761), represented Dundalk and County Fermanagh in the Irish Parliament.

His son, Henry Brooke, was created a baronet, of Colebrooke in the County of Fermanagh, in the Baronetage of the United Kingdom on 7 January 1822.

Richard Prittie Brooke (died 1836), younger brother of the first Baronet, was a major-general in the British Army.

Sir Harry Vesey Brooke (1845–1921), younger son of the second Baronet, was a Deputy Lieutenant and Justice of the Peace.

Arthur Basil Brooke (1847–1884), younger son of the second Baronet, was the father of Sir Basil Vernon Brooke (1876–1945), a rear admiral in the Royal Navy, and of Sir Bertram Norman Sergison-Brooke (1880–1967), a lieutenant-general in the British Army.