Career
He represented Richmond County in the Nova Scotia House of Assembly as a Conservative member from 1878 to 1882. He was born in Loch Lomond, Nova Scotia, the son of Archibald McCuish and Jane McDonald, both Scottish immigrants. He first farmed and was involved in mining before establishing himself in business, mainly trading in fishing supplies.
McCuish was a justice of the peace.
He died in 1919.