2 February - Éamon de Valera visits Newry for the first time since his arrest there in 1924.
17 March -Free Presbyterian Church formed in Crossgar Co. Down.
19 April - The Northern Ireland Attorney-General, Ed Warnock, referring to the Noel Browne's resignation, says that Ireland is really ruled by Maynooth.
Public Order Act (Northern Ireland) 1951 is introduced, requiring organisers of public processions to give 48 hours' notice to the Royal Ulster Constabulary (RUC), except for funeral processions and "public processions which are customarily held along a particular route".