Also, re the Alexander Innes in the 1794 muster roll of the Gordon Highlanders, the list can be seen on line, as it was published in "Territorial Soldiering in the North-East of Scotland during 1759 - 1814", by John Malcolm Bulloch, published in 1914.
The roll contains two Innesses from Inveravon:
Alexander, 18, 5' 3 1/2", Inveravon, labourer, enlisted 10-6-1794
John, 20, 5' 7 1/2", Inveravon, labourer, enlisted 11-3-1794
There is also an Innes from Glenlivet in the Northern Fencibles, which lasted from 1793 - 1799:
Alexander Innes, 25, 5' 10", Glenlivet, enlisted at Gordon Castle 20-3-1793