Sir Denis Thatcher, 1st Baronet, MBE, TD (10 May 1915 26 June 2003) was a British businessman, and the husband of the former British Prime Minister Margaret Thatcher. He was born in Lewisham, London, the elder child of a New Zealand-born British businessman, Thomas Herbert (Jack) Thatcher. As of 2014, he is the most recent person outside the Royal Family to be awarded a British hereditary title, which he was granted in 1990.