Francis Mathew, 1st Earl Landaff (September 1738 – 30 July 1806) was an Anglo-Irish politician and peer.
He had one sister, Catherine, who married firstly Philip Roe, and secondly John Scott, 1st Earl of Clonmell.
On 12 October 1783 he was raised to the Peerage of Ireland as Baron Landaff, of Thomastown in the County of Tipperary, and assumed his seat in the Irish House of Lords.
[2] Following the implementation of the Acts of Union 1800, he was elected as one of the 28 original Irish representative peers and took his seat in the British House of Lords.
Children included: Francis's third and final marriage was to the younger daughter of Jeremiah Coghlan[4] of Co. Waterford.