John supported Matthew Stewart, 4th Earl of Lennox against the Regent Arran and was with him at the Battle of Glasgow Muir in 1544.
[1] William Mackintosh, 6th of Killachie was set the task of capturing Grant of Carron by Lord Moray in 1630.
[1] Donald Mackintosh, 7th of Killachie appears in an Act of Parliament dated 10 July 1678 where he is named as a Commissioner of Supply for Inverness-shire.
His name appears in a list of "Heads and Branches of Families that are to give band to the Commissioners of Council" at Inverlochy, also in 1678.
[2] The Scottish Parliament passed the Act of Indemnity in 1660 which levied fines on people for past actions during the Scottish Civil Wars with a follow-up Act passed on 9 September 1662 in which the Mackintosh lairds of Killachie were fined £3,600 on lands worth £594.
[1] Angus Mackintosh, 10th of Killachie was a lieutenant in Keith's Highlanders, serving in Germany in the Seven Years' War.
When Frasers Highlanders were revived in 1776 for service in America he became a Senior Captain of the 2nd battalion and died in South Carolina unmarried.
[1] John Mackintosh, 11th of Killachie also served as a lieutenant in Keith's Highlanders in the Seven Years' War and was severely wounded at Fellinghausen in 1761.
He moved to London in 1788 and in 1791 published his Vindicice Gallicoe which was a defence against Edmund Burke of the principles of the French Revolution.
In 1799 he published Introductory Discourse on the law of Nature and Nations which met with brilliant success, among many other works.
He was married twice; firstly, in 1789 to Catherine Stuart who died in 1797, leaving three daughters, and secondly, in 1798 to Catherine, daughter of John Allen of Cresselly, Pembrokeshire, by who he had a son, Robert James Mackintosh, who was a Fellow of New College, Oxford and who edited his father's memoirs.