In the general election of 2015, he was the only Conservative MP returned for a Scottish constituency, and was appointed Secretary of State for Scotland,  having served as Under-Secretary of State for Scotland since 2010.
He was previously married to Lynda Carmichael but the couple have divorced. He has three children, one of whom, Oliver Mundell, is a Conservative candidate for the Scottish Parliament in May 2016.
- http://www.bbc.co.uk/news/uk-scotland-scotland-politics-32694984 "Election 2015: David Mundell named new secretary of state for Scotland" BBC News. Archived at https://web.archive.org/web/20150511190807/http://www.bbc.co.uk/news/uk-scotland-scotland-politics-32694984
- http://www.parliament.uk/biographies/david-mundell/32679 www.parliament.uk.
- http://www.davidmundell.com/news/new-year-new-start David Mundell, "New Year, New Start", 13 January 2016
- http://www.bbc.co.uk/news/uk-scotland-scotland-politics-35301898%7C "cottish secretary David Mundell comes out as gay" BBC News, 13 January 2016
- http://www.telegraph.co.uk/news/politics/conservative/12097320/Cabinet-minister-David-Mundell-comes-out-as-gay.html Simon Johnson, Peter Dominiczak, Michael Wilkinson, "Cabinet minister David Mundell comes out as gay" The Daily Telegraph, 13 January 2016