Marie D. Burke, 63, the Foreign Service officer who was found dead May 25 in her ground-floor, west London apartment, had been a second secretary with the Consular Service in London for the past 18 months and a member of the Foreign Service since 1971. A police spokesman said that Mrs. Burke was found fatally stabbed. The slaying was not believed to have stemmed from political motives or through her diplomatic connections, the spokesman said. The motive for the killing had not been determined and there have been no arrests, police said. Mrs. Burke, who had lived in Chevy Chase and Washington, was a native of New Jersey. Her husband, Robert T. Burke, was deputy chief of mission at the U.S. Embassy in Gambia at the time of his death in 1972. She had accompanied her husband to overseas posts, including Saigon in the early 1960s, before becoming a Foreign Service secretary in 1971. She became a Foreign Service officer in 1974 and spent the bulk of her career in the Consular Service. Her overseas postings had included Gambia, Kenya and Barbados. From 1979 until the early 1980s, she worked in the Consular Affairs Office in the State Department. From 1983 to 1987, she was stationed in Florence. Mrs. Burke was a member of the American Foreign Service Association. Among the languages she spoke were French and Italian. Her hobbies included art collecting. Her first husband, Edgar Hollister, was killed while serving in the Korean War. Survivors include three children by her second marriage, David, Lisa and M. Alexia (Lexy) Burke, all of Chevy Chase; a brother, James J. Delaney of New Jersey, and four sisters, Margaret M. Barnard of Mount Carmel, Ill.; and Eileen Doolan, Ethel Delaney and Claire Esposito, all of New Jersey. RICHARD T. WRIGHT Northern Virginia Developer Richard T. Wright, 69, a Northern Virginia builder and developer since 1958 who was president and owner of Wright Properties Inc. of Annandale, died May 26 at a hospital in Vero Beach, Fla., as a result of injuries he had received earlier that day in a traffic accident in Vero Beach. A spokesman for the Florida Highway Patrol said that he was crossing an intersection and pulled into the path of a car on the intersecting road. The second car, driven by a 18-year-old Vero Beach man, struck Mr. Wright's car, police said. The second driver was treated and released from the hospital and no charges have been filed, police added. About 1970, he had served terms as president of the Northern Virginia Builders Association and the Metropolitan Home Builders Association. Mr. Wright, who was in Florida on family business, was a resident of Annandale. A native of Philadelphia, he came to the Washington area in 1936. He received a degree in journalism from Washington & Lee University in Lexington, Va. He entered the Marine Corps in 1940 and became a combat correspondent during World War II. He participated in the fight for Guadalcanal and in the landings at Iwo Jima and Normandy. He left the Corps following the war and after attaining the rank of major and a Bronze Star Medal. He then worked in the family real estate business, W.B. Wright Co., in Washington, Bethesda, and Northern Virginia, before starting his own concern. In addition to his other interests, Mr. Wright also had been active as a free-lance writer. He contributed articles to trade journals and to the old Washington Evening Star newspaper. He had coached Little League baseball for eight years, played golf and was a Washington Redskins fan. Survivors include his wife, Sue Donegan Wright of Annandale; a son, Richard Jr., of Martha's Vineyard, Mass.; a daughter, Martha C. Wright of Montpelier, Vt.; and a brother, Robert K., of Palm Harbor, Fla. JAMES H. LITTLEPAGE Patent Lawyer James Hemenway Littlepage, 78, a longtime lawyer in Washington and Northern Virginia who had specialized in patent, trademark and copyright law, died May 28 at his home in Arlington after a heart attack. Mr. Littlepage was a native of Washington and a graduate of the College of William and Mary. He attended Harvard University law school and received his law degree from George Washington University in 1936. He then engaged in the private practice of law here until entering the Navy during World War II. From 1944 to 1953, he served with the Navy as a lawyer and in the Office of Naval Intelligence. He also had done work involving the Manhattan Project. He left active duty as a lieutenant. He then resumed his private law practice, first in Washington and finally in Crystal City. He was a partner in the firm of Littlepage & Webner at the time of his death. Mr. Littlepage was the recipient of an award from the Patent Law Association. His hobbies included sailing on the Chesapeake Bay. His marriage to Gertrude Littlepage ended in divorce. Survivors include his wife of 32 years, Mabel Griffith Littlepage of Arlington; two daughters by his first marriage, Judith L. Sawyer of Charleston, S.C., and Cecilia Littlepage of Berkeley, Calif., and two grandchildren. JAMES M. DONOHOE Real Estate Investor James Markey Donohoe, 72, a real estate investor who was a former government employee and retired lieutenant colonel in the Air Force Reserves, died of cancer May 26 at his home in Palm City, Fla. He also had a home in McLean. Mr. Donohoe was a native of Washington and a graduate of Gonzaga College High School and Niagara University in New York. He worked in home building here before serving with the Army Air Forces during World War II. He retired from the reserves in 1977. He was a contracts officer with the Defense Department from the early to mid-1950s. From 1956 to 1969, he was a contracts negotiator with Philips Petroleum and North American Rockwell. During those years he lived in Texas, Oklahoma, Utah and California. Returning to Washington in 1969, he worked in the Transportation Department's office of high-speed ground transportation before retiring in the early 1970s. He had been a real estate investor since then. Mr. Donohoe had been an usher at the Catholic National Shrine of the Immaculate Conception in Washington and a member of St. Luke's Catholic Church in McLean. He was a 4th-degree member of the Edward White Council of the Knights of Columbus and a member of the Ancient Order of Hibernians. A golfer, he was a member of the Westwood Country Club in Vienna. Survivors include his wife, Helen Wood Donohoe of Palm City and McLean; three sons, James Jr., of Gainesville, Fla., Robert Hollister Donohoe of Nags Head, N.C., and Ronald David Donohoe of Mobile, Ala.; two daughters, Mary Katharine Donohoe of Washington and Ulrica Donohoe Rohrbaugh of Richmond; four brothers, Raymond T., of Arlington, retired Coast Guard Capt. Louis N. Donohoe of Corpus Christi, Tex., and Paul L. and Daniel T. Donohoe, both of Bethesda, and two grandchildren.