The hospital, which was designed by Brown & Watt, opened as the Old Mill Poorhouse and Infirmary in May 1907.

[1] A special block was erected for the treatment of non-pulmonary tuberculosis, pneumonia and similar cases.

[2] A new nurses' home was added in 1936[1] and the hospital joined the National Health Service in 1948.

[2] During the 1964 Aberdeen typhoid outbreak, over 400 cases were diagnosed and the patients were quarantined at the City Hospital and Woodend Hospital, although no fatalities resulted.

[5] DOME, the Department of Medicine for the Elderly, which forms a base for University of Aberdeen geriatric medicine students is located at the hospital.