Mildred Wood Lucas, 95, a registered nurse who retired in 1964 from the D.C. Health Department, died of respiratory failure Aug. 29 at Georgetown University Hospital.

Mrs. Lucas, a native of Hartford, Conn., came to Washington in the early 1920s. She graduated from the nursing program of the old Freedman's Hospital as a registered nurse. She took further training at Howard University, the Medical College of Virginia and Catholic University.

In the 1930s, she was a nurse at Howard University and in Richmond. She returned to the Washington area in 1940 and went to work for the D.C. Health Department, where she was a senior nurse.

Mrs. Lucas was one of the 11 founding members of the Chi Eta Phi nursing sorority, which now has 140 chapters and 8,000 members. She also was a volunteer with the Girl Scouts, the juvenile division of D.C. Superior Court, the Retired Senior Volunteer Program, Women in Community Service and the National Council of Senior Citizens.

Her husband, Joseph Ira Lucas, whom she married in 1938, died in 1976. A daughter, Alease Lucas, died in 1967.

Survivors include a sister, Margaret George of Hartford; three grandchildren; and four great-grandchildren.