The son of John Butler, 17th Earl of Ormonde; in 1807 he married Grace Louisa Staples, daughter of Rt. Hon. John Staples.

REFERENCES TO James Wandesford Butler, first marquess of Ormond:

Thomas Creevey to Elizabeth Ord, 3 November 1828 in The Creevey Papers: A Selection from the Correspondence & Diaries of the late Thomas Creevey, M.P. (London: John Murray, 1903)