[1][2][3][4] As a result of the 29th Chief's preferment of a more distant cousin and Arbell Mackintosh becoming the 30th Chief until her marriage to Anthony Warre (a name not belonging to Clan Chattan) it devolved on the 29th Chief's next heir in line, Duncan Alexander Eliott Mackintosh by the order of Lord Lyon King of Arms issued on 27 March 1947 who became 31st Chief and matriculated ‘as of right and without brisur or mark of cadency Ensigns armorial of and appropriate to Mackintosh of Mackintosh-Torcastle and Clan Chattan, marshalled as effeirs for the Inheritor of the Honourable the Clan Chattan… as Head of the ‘‘haill kin of Clan Chattan’’’.

[4] At this juncture the chieftainship of Mackintosh and Clan Chattan split.

[2] His eldest brother was the explorer Aeneas Mackintosh and both boys were educated in England at Bedford Modern School.

[4][6] Alfred Mackintosh's estate in Inverness-shire covered 124,000 acres and King George V honoured Mackintosh with his personal friendship while also enjoying the estate's famous grouse moors.

[8] By the order of Lord Lyon King of Arms on 27 March 1947, Duncan Alexander Eliott Mackintosh matriculated ‘as of right and without brisur or mark of cadency Ensigns armorial of and appropriate to Mackintosh of Mackintosh-Torcastle and Clan Chattan, marshalled as effeirs for the Inheritor of the Honourable the Clan Chattan… as Head of the ‘‘haill kin of Clan Chattan’’’.