Jeanne F. Downey, 52, a registered nurse and former clinical specialist and instructor in rehabilitation at Georgetown Unversity Hospital, died there Sunday of a brain hemorrhage.

In 1961, Miss Downey joined the staff of the department of physical medicine at Georgetown, leaving in 1971 because of ill health.

In 1976, she served on a team for the National Academy of Sciences which evaluated health care services within the Veterans Administration hospital system.

While at Georgetown, Miss Downey was a delegate to a number of professional conferences, including the President's Committee on Employment of the Handicapped and the American Congress of Rehabilitation Medicine.

She had been working recently as a private duty nurse-consultant in Washington.

Miss Downey, who was born in Binghamton, N.Y., began her public health career with the New York Department of Health and the Community Service Society in New York City. She also worked at the Flower and Fifth Avenue Hospital there, before moving to Washington.

She had graduated from the Jersey City Medical Center School of Nursing in New Jersey. She earned a bachelor's degree in public health nursing from New York University and also studied at the Institute of Physical Medicine and Rehabilitation at New York City's Bellevue Hospital.

She was a member of the American Nurses Association.

Survivors include a sister, Sally M. Downey, of Paris, and a brother, Robert W. Downey, of Arlington.