Dermot Bourke, 7th Earl of Mayo

Dermot Robert Wyndham Bourke, 7th Earl of Mayo KP PC (Ire) (2 July 1851 – 31 December 1927) was an Anglo-Irish peer, styled Lord Naas from 1867 to 1872, who served as an Irish representative peer in the British House of Lords (1890–1921) and member of the Senate of Southern Ireland (1921–1922) and Seanad Éireann (1922–1927).

Life
He succeeded as Earl of Mayo on the death of his father Richard Bourke, 6th Earl of Mayo in 1872. He was educated at Eton, and was an officer in the 10th Hussars and the Grenadier Guards. In 1890 he was elected as an Irish representative peer and took his seat in the House of Lords. He was appointed a Knight of the Order of St Patrick on 3 February 1905.

He was one of the four landlord representatives during the 1902 Land Conference. Between 1921 and 1922 he served in the Senate of Southern Ireland. He was nominated by W. T. Cosgrave to the Seanad of the Irish Free State on its formation in 1922. He was nominated for 12 years and served until his death in 1927.

He owned 7,800 acres mostly in Kildare and Meath.

Family
In 1885, he married Geraldine Sarah Ponsonby (b. 1863; d. 29 November 1944), who was the granddaughter of John Ponsonby, 4th Earl of Bessborough, and the great-granddaughter of George Coventry, 8th Earl of Coventry.