Hi again Del
It's Bougang Farm, Colmonell (4 miles from Ballantrae).
I located the following (note spelling) in the 1851/1852 Ayrshire Directory:
M'Credie, John, Farmer, Bougang, Colmonell.
M'Credie, Mrs., Draper, Colmonell.
M'Credie, John, Shipmaster, Harbour Street, Girvan.
M'Credie, William, Mate of Ayrshire Lass steamer, Knockcushion Street, Girvan.
M'Credie, James, Seaman and feuar (?), Dalrymple Street, Girvan.
M'Credie, Robert (c), of Williamfield, by Irvine.
M'Credie, Robt., Plasterer, East Back Road, Irvine.
M'Credie, John, Teacher, Whitlees.
M'Credie, Andrew, Forester to Lord Orkney, Glenapp (which is near Ballantrae).
M'Credie, Hugh, Wright, Ballantrae.
M'Credie, Hugh, Weaver, Ballantrae.
M'Credie, James, Labourer, Ballantrae.
M'Credie, John, Thatcher, Ballantrae.