Ireland census. See also Derry Mayor of Derry Derry Urban Area Local Councils in Northern Ireland Northern Ireland Assembly Notes References External links Derry City Council Local government election results 1993–2005, *1985–89, 1973–81 District councils of Northern Ireland, 1973–2015 Organisations based in Derry (city) Politics of Derry (city) 1973 establishments in Northern Ireland 2015 disestablishments in Northern Ireland