Malcolm and Archibald both had large families and the cencus returns from 1841 will give you details.
Births & Marriages pre-1855 are in the OPR's and B,M&D's from 1855 are in the Statutory Records.
Births for both families from @ 1840 are not recorded in the OPR.
Alexander was in the Argyle Militia and then in the 79th.Regiment of Foot (Cameron Highlanders).
Militia details were held in the Argyll & Bute Archives, Lochgilphead.
79th. details are held in the National Archives, Kew.
jcmac.