David Morrison Armstrong

David Morrison Armstrong (1805 – April 14, 1873) was a merchant, insurance agent and political figure in Quebec. He represented the electoral district of Berthier in the Legislative Assembly of the Province of Canada from 1841 to 1851.

He was born in Maskinongé, Quebec, the son of Edward Armstrong and Elizabeth Dunn, and moved with his parents to Berthier around 1824. Armstrong was a justice of the peace, a commissioner for the trial of Small Causes and lieutenant-colonel in the militia. He married Léocadie, the daughter of Jacques Deligny in 1831. In 1855, he was named to the Legislative Council of the Province of Canada for Sorel division and served until 1867. He sat for Sorel division in the Legislative Council of Quebec from 1867 until his death in Sorel.

His daughter Amélie married Michel Mathieu, who served in the Canadian House of Commons.