 In 1924, he married Beryl Marjorie, only daughter of C. M. Pearce of Dundarach, Camberley (formerly of Calcutta), and had at least one son, Sir Charles Henderson Tidbury (1926–2003), who married Anne, daughter of Brigadier H. E. Russell.Beryl Tidbury was a founder of the Hong Kong Fellowship for supporting relatives of British prisoners of war; she died in 1955.Four years later, Ord Tidbury married Joan Windham, daughter of Ashe Windham.