name of Erskine on being named heir to the House of Dun. Lady Alicia Jane Kennedy (1805–1887), who married Jonathan Peel, Secretary of State for War, and had issue. Lord Ailsa died in 1846 and was succeeded by his grandson, Archibald Kennedy. Legacy Lord Ailsa bought a house near Twickenham in London that had previously belonged to the playwright Richard Brinsley Sheridan. He named it "St Margaret's" and the name of the house has now been applied to the whole adjacent area. Ailsa Road and Ailsa Avenue in the area are also named after him. References External links Archibald Kennedy, 1st Marquess of Ailsa and 12th Earl of Cassilis at The British Museum 1770 births 1846 deaths Fellows of the Royal Society Knights of the Thistle Scottish representative peers Archibald Scottish people of Dutch descent Scottish people of German descent Schuyler family Van Cortlandt family 1 Peers of the United Kingdom created by William IV