Slevoir (Sliabh Mhaghair in Irish)[1] is a townland in the Barony of Ormond Lower, County Tipperary, Ireland.
It is located in the civil parish of Terryglass overlooking Slevoir Bay, the most north-eastern part of Lough Derg Slevoir is the birthplace of Irish nationalist politician Sir William Hickie.
It is built of stone in two-storeys with a 5-bay frontage and stands in a 110 acres (44.5 hectares) estate close to the shores of Lough Derg.
The house had uPVC windows installed during its time as a religious institution but is otherwise intact.
[2] It is listed as a protected structure by Tipperary County Council (RPS Ref S363).