[3][4][5] Similar in fashion to the eighteen Independent Highland Companies that were raised in 1745 by Duncan Forbes, Lord Culloden in the north, north-west and north-east Highlands, also to oppose the Jacobite rising of 1745,[3][5] the Campbell of Argyll militia was raised with permission from a Royal warrant.
On 20 March 1746 a detachment of the Campbell of Argyll militia was defeated at the Skirmish of Keith.
[7] From the 20 March to 3 April 1746, 300 men of the Campbell of Argyll militia helped in the successful defense during the Siege of Fort William.
[2] During the battle the Argyll militia delivered devastating musket fire on the right flank of the Jacobite army.
[9] Only one member of the Argyll militia was returned as a casualty during the battle; Captain John Campbell of Achnaba, who was mortally wounded.