Alexander joined the East India Company service about 1771 with his elder brother Claud, who became paymaster of the forces there.
Alexander was expected to be a friend of Pitt’s administration, which he supported in silence. He subscribed £10,000 to the loyalty loan for 1797. He and McDowall were publicly thanked at Greenock in January 1802 for their promotion of the Greenock harbour and police bill.
Alexander was subsequently listed as a friend of Pitt’s ministry and voted with the government minority against the censure of Melville, 8 Apr. 1805. He voted for the repeal of Pitt’s Additional Force Act, 30 Apr., and was reported by Lord Grenville in October 1806 to have ‘undoubtedly supported government through the whole of the last session’.
There was subsequently bad blood between him and Campbell, despite an attempted reconciliation,
