Harriet Stewart, Countess of Galloway

Harriet (or "Harriett) Stewart, Countess of Galloway (18 August 1811 – 25 May 1885), formerly Lady Harriet Blanche Somerset, was the wife of Randolph Stewart, 9th Earl of Galloway.

She was the daughter of Henry Somerset, 6th Duke of Beaufort, and the former Lady Charlotte Sophia Leveson-Gower.

The earl and countess had six sons and seven daughters, including: In the course of their marriage, considerable work was done on the family seat, Galloway House.

William Burn was employed in 1841to carry out alterations, including an additional floor in parts of the building.

The countess died in 1885 at her home in Eaton Square, London, aged 74.