<Dl> <Dt> Parties </Dt> </Dl> <P> Ulster Unionist Party Social Democratic and Labour Party Democratic Unionist Party Sinn Féin </P> <Table> <Tr> <Th_colspan="5"> First Minister of Northern Ireland </Th> <Th_colspan="5"> deputy First Minister of Northern Ireland </Th> <Th> Government </Th> <Th> Elections </Th> </Tr> <Tr> <Th_colspan="2"> Name (Birth--Death) Constituency </Th> <Th> Portrait </Th> <Th_colspan="2"> Term of office </Th> <Th_colspan="2"> Name (Birth--Death) Constituency </Th> <Th> Portrait </Th> <Th_colspan="2"> Term of office </Th> </Tr> <Tr> <Td> </Td> <Td> David Trimble (1944--) Upper Bann </Td> <Td> </Td> <Td> 1 July 1998 </Td> <Td> 1 July 2001 </Td> <Td> </Td> <Td> Seamus Mallon (1936--) Newry and Armagh </Td> <Td> </Td> <Td> 1 July 1998 </Td> <Td> 6 November 2001 </Td> <Td> First Executive </Td> <Td> 1998 </Td> </Tr> <Tr> <Td_colspan="2"> Reg Empey was acting First Minister during this interval . </Td> </Tr> <Tr> <Td> 6 November 2001 </Td> <Td> 14 October 2002 </Td> <Td> </Td> <Td> Mark Durkan (born 1960) Foyle </Td> <Td> </Td> <Td> 6 November 2001 </Td> <Td> 14 October 2002 </Td> </Tr> <Tr> <Td_colspan="11"> Office vacant </Td> </Tr> <Tr> <Td> 2003 </Td> </Tr> <Tr> <Td> </Td> <Td> Ian Paisley (1926--2014) North Antrim </Td> <Td> </Td> <Td> 8 May 2007 </Td> <Td> 5 June 2008 </Td> <Td> </Td> <Td> Martin McGuinness (1950--2017) Mid Ulster </Td> <Td> </Td> <Td> 8 May 2007 </Td> <Td> 20 September 2011 </Td> <Td> Second Executive </Td> <Td> 2007 </Td> </Tr> <Tr> <Td> </Td> <Td> Peter Robinson (1948--) Belfast East </Td> <Td> </Td> <Td> 5 June 2008 </Td> <Td> 11 January 2010 </Td> </Tr> <Tr> <Td_colspan="2"> Arlene Foster was acting First Minister during this interval . </Td> </Tr> <Tr> <Td> 3 February 2010 </Td> <Td> 10 September 2015 </Td> </Tr> <Tr> <Td> Third Executive </Td> <Td> 2011 </Td> </Tr> <Tr> <Td_colspan="2"> John O'Dowd was acting deputy First Minister during this interval . </Td> </Tr> <Tr> <Td> 31 October 2011 </Td> <Td> 9 January 2017 </Td> </Tr> <Tr> <Td_colspan="2"> Arlene Foster was acting First Minister during this interval . </Td> </Tr> <Tr> <Td> 20 October 2015 </Td> <Td> 11 January 2016 </Td> </Tr> <Tr> <Td> </Td> <Td> Arlene Foster (1970--) Fermanagh and South Tyrone </Td> <Td> </Td> <Td> 11 January 2016 </Td> <Td> 9 January 2017 </Td> <Td> Fourth Executive </Td> <Td> 2016 </Td> </Tr> <Tr> <Td_colspan="11"> Office vacant </Td> </Tr> <Tr> <Td> 2017 </Td> </Tr> </Table> <Tr> <Th_colspan="5"> First Minister of Northern Ireland </Th> <Th_colspan="5"> deputy First Minister of Northern Ireland </Th> <Th> Government </Th> <Th> Elections </Th> </Tr>

Who was the first minister of northern ireland