[1] He sat in the House of Commons for County Sligo from 1831 to 1841, when his growing financial difficulties compelled him to resign his seat.

He served briefly as a Junior Lord of the Treasury in Sir Robert Peel's second government (1841).

[1] He died at Chester Street, London, on 9 December 1858 and was buried at West Norwood Cemetery.

He had married Jane Anne, the daughter of Col. Henry Peisley L’Estrange of Moystown, Cloghan, King's County and had a large family.

Due to his extravagance Temple House had to be sold but was bought back for the family by his third son, also Alexander (1821-1866).