- The house was built between 1830 and 1835.
- Lissadell house is a Greek Revival style detached nine-bay, two-storey over basement mansion, the last one in this style to be built in Ireland.
- Constructed of Ballysadare limestone with finely jointed ashlar walling. An entrance front is on the north with a three-bay pedimented central projection, originally open to east and west to form porte-cochere.
- Lissadell was the first country house in Ireland to have an independent gas supply piped into the property.
- The estate was formed from land granted in the early 17th century to the Elizabethan soldier Sir Paul Gore for his services to the English crown during the Nine Years' War.
- The land was confiscated from ecclesiastical lands belonging to the monastery of Drumcliff and the Lords of Ó Conchobhair Sligigh and the Ó hAirt chiefs of the territory.
- Lissadell is famous as the childhood home of Constance Markievicz, her sister Eva Gore-Booth and her brother Josslyn Gore-Booth.
- Constance was one of the leaders of the 1916 Rising, and was the first woman to be elected to Dáil Eireann, where she served as Minister for Labour (thus becoming the first woman minister in a modern Western European democracy)
