Stansmore Richmond Leslie Dean Stevenson (3 June 1866 – 15 December 1944) was a Scottish artist known for her oil paintings.

[4] Courtois shared a studio with Pascal Dagnan-Bouveret and Dean may have been influenced by his paintings of women in traditional costumes.

[5] She also exhibited in Paisley, the Walker Art Gallery in Liverpool, at the Royal Scottish Academy and twice at the International Society in London.

She regularly spent the summer months in France and the Netherlands and while in the artists' colony at Volendam she created oil sketches, drawings and portraits of men and women in traditional costumes.

She was elected to supervise the alterations to the Club's premises on Blythswood Square and she selected Charles Rennie Mackintosh as the designer.