When was the person other than Caitríona Ruane and John O'Dowd who was followed by Peter Weir born?
Peter Weir (politician):  On 25 May 2016, Weir became the first non-Sinn Féin legislator (following Martin McGuinness, Caitríona Ruane, and John O'Dowd) to head the province's Department of Education since the department came into existence on 2 December 1999. Martin McGuinness: James Martin Pacelli McGuinness (Irish: "Séamus Máirtín Pacelli Mag Aonghusa" ; 23 May 1950 – 21 March 2017) was an Irish republican and Sinn Féin politician who was the deputy First Minister of Northern Ireland from May 2007 to January 2017.
i don't know