Because of it's significance, here is the full list of McMinn's on the MI:
Alex McMinn d.Knockmuck 15 Aug 1852, aged 68
wife Mary Milroy d. 25 April 1859 aged 74
also descendants.
son John d. 27 March 1827 aged 14
daughter Mary d, 2 Oct 1836 aged 7
son William d. Kirkpatrick Durham 30 July 1849 aged 39
son James d Dublin 25 March 1895 aged 85
son Thomas d. London 15 August 1876 aged 56
daughter Janet d. Knockmuck 10 October 1877 aged 61
son Alex d. Knockmuck 15 March 1904 aged 78 -
this Alex b.c. 1826daughter Isabella d Knockmuck 6 Feb 1906 aged 84
grandson Alex Douglas d 17 Mar 1936 aged 84
Seems that it might be a different family

Gadget