Sir William de Montmorency, 3rd Baronet

Born William Morres, he was the son of Sir William Morres, 1st Baronet and Mary Juliana Ryves, and the half-brother of Sir Haydock Morres, 2nd Baronet. On 11 October 1774 he succeeded to his half-brother's baronetcy. Between 1785 and 1790 he was the Member of Parliament for Newtownards in the Irish House of Commons.^[2] On 17 June 1815 he legally changed his surname to de Montmorency by Royal Licence, as did his relation Lodge de Montmorency, 1st Viscount Frankfort de Montmorency and three other cousins. On his death, his title became extinct.^[1]