Family correspondence, mainly letters to de Cobain and his wife Dora from their children, Aimée, Annesley, Gwynneth, Herbert, Queenie; letters to these and a few personal letters to Mrs. de Cobain; c.1880-1930.

Míreanna comhchosúla

• Newscuttings relating to de Cobain, his brother Edward Samuel Wesley (M.P.) and other members of the de Cobain family; mainly from the Belfast Newsletter, the Northern Whig, the Goole Times (Yorkshire); c.1880-1920.
• Documents relating to Armaghbreague National School, Co. Armagh; mainly letters to de Cobain from managers, teachers and inspectors and including four letters from Bp. Robert Knox of Armagh re management of school; 1880-97.
• Letters to de Cobain from his sister Laura in Belfast; mainly of a personal nature; with references to the activities of their brothers Edward S. Wesley (M.P.) and St. Laurence; c.1880-1900.
• Letters to de Cobain relating to Swinefleet National School, Yorkshire; mainly from teachers at the school and re vacancies for teachers; with some letters re subscriptions to the school; 1884-99.
• Letters to de Cobain from Rev. Albert Fowler, vicar of Newtown Hamilton and later chaplain to the Missions to Seamen Institute, Dublin; mainly relating to parochial and Mission affairs; 1876-89.