Edward Stitt Fleming, 67, a longtime Washington psychiatrist who founded the Psychiatric Institute of Washington and the Psychiatric Institutes of America in the late 1960s, died of septicemia June 10 at a hospital in Austin.

Dr. Fleming was president and chief executive of Psychiatric Institutes of America, a private provider of inpatient psychiatric care, which he started in 1969. He sold the enterprise in 1983.

He came to Washington in 1963, when he joined the psychiatry faculty at George Washington University. A few years later, he founded the Professional Associates, which became one of the largest psychiatric partnerships in the country and is now called Metropolitan Psychiatric Group. He continued to serve on the clinical faculty at George Washington University until 1983.

Dr. Fleming, who was visiting friends in Texas when he fell ill, lived in Hilton Head, S.C. He had lived in Washington until about 1990.

He was born in San Diego and graduated from the University of North Carolina. He received a master's degree in psychology from the University of Texas and a medical degree from George Washington University. He served his internship at a hospital in Chapel Hill, N.C., and his residency in psychiatry at hospitals in the New Haven, Conn., area.

Dr. Fleming was a member of the Washington Psychiatric Society, the American Psychiatric Association and the D.C. Medical Society.

His marriages to Anna Page Fleming, Mariana Moran Grove and Patricia Altschal ended in divorce.

Survivors include three children from his first marriage, Edward Stitt Fleming of Santa Fe, N.M., Page Fleming Zekonis of Baltimore and Richard Bland Lee Fleming of Los Angeles; and three grandchildren. DONALD F. PILKENTON Pastor and Government Worker

Donald Frederick Pilkenton, 62, a former Northern Virginia Presbyterian minister and retired Fairfax government worker, died of a brain hemorrhage June 8 at Inova Mount Vernon Hospital. He lived in Alexandria.

Mr. Pilkenton came to the Washington area in 1963 and spent the next nine years as pastor of Mount Vernon Presbyterian Church in Alexandria. He then joined Fairfax County government, where he held various jobs, including posts in social services. He retired in December as chief community program inspector in the housing department.

He had helped found United Community Ministries of Alexandria and the National Capital Presbytery. He was a member of the Pi Kappa Alpha college fraternity.

Mr. Pilkenton, a native of Fort Lauderdale, Fla., served in the Army from 1955 to 1957. He was a 1955 graduate of Davidson College in North Carolina and a 1961 graduate of Union Theological Seminary in Richmond. From 1961 to 1963, he was associate minister of a Presbyterian church in Norfolk.

His marriage to Jacqueline Pilkenton ended in divorce.

Survivors include his wife, Carol, of Alexandria; four children from his first marriage, John Pilkenton of Fredericksburg, J. Kenneth Pilkenton of Alexandria, Laurie Pilkenton of Richmond and Nancy Kennedy of Chicago; two stepchildren, Sharon Clark of Cape Canaveral, Fla., and Steven McGarry of Woodbridge; his father, Marshall, of Roanoke; and six grandchildren. JOHN A. WARING Jr. Editor and Researcher

John A. Waring Jr., 83, a researcher who was an authority on the social impact of technological development and who retired in 1978 from Fort Belvoir as editor of Defense Systems Management Review, died June 8 at the Potomac Center nursing facility in Arlington. He had a heart ailment.

Mr. Waring had lived in the Washington area since 1958, when he became a senior researcher at the Industrial College of the Armed Forces. He later was principal researcher for a project on technology development for the National Planning Association and a researcher and writer with the Army Department and the Defense Systems Management College.

After he retired, he was research director for a report of the Mahler Institute on nuclear radiation hazards.

Mr. Waring was born in San Francisco. After graduating from high school, he began working in 1934 at the Chicago Tribune, where he was a yachting and marine reporter.

In the late 1940s, he edited a monthly magazine for an AT&T subsidiary in Chicago and then moved to New York, where he researched and wrote on technology.

Mr. Waring wrote on the history of the use of power for Encyclopedia Americana and on mechanical and electrical horsepower for the Statistical Abstract of the United States.

He lectured on technology's impacts at universities for associations in the Washington area and elsewhere. He also wrote for publications that included Popular Mechanics, Yale Scientific Review and other periodicals.

Mr. Waring tutored public school students in Washington as part of the Emeritus Scientists, Mathematicians and Engineers Program.

He was a member of the Society for the History of Technology, the American Association for the Advancement of Science, the International Society for General Semantics, the Washington Academy of Science, the National Science Teachers Association, the Phi Beta Kappa Association, a social planning association called Technocracy Inc., Washington Ethical Society, D.C. Area Humanists and First Presbyterian Church of Arlington.

His marriages to Teresa Waring and Betty Ann Viar ended in divorce.

There are no immediate survivors. DAVID E. PAT' BARRY Sr. Construction Superintendent

David E. "Pat" Barry Sr., 65, a master carpenter and construction superintendent who worked for Donohue Construction for the last 30 years, died of cancer June 13 at the Washington Home.

Mr. Barry, a native of Washington, lived in Chevy Chase. He was a graduate of Mount St. Joseph High School in Baltimore. He honed his carpentry skills working for several construction companies in the Washington area in the 1950s and then joined Donohue Construction in the late 1960s. Over the years, he was involved in the construction of a number of buildings, including the Ronald McDonald House, the Embassy of Oman and the Yater Clinic.

He was member Our Lady of Lourdes Catholic Church of Bethesda.

Survivors include his wife of 44 years, Julie Barry of Chevy Chase; four sons, Dennis M., of Olney, John R. "Jack," of Cordova, Md., Mark B., of Kensington, and David E. "Butch" Jr., of Poolesville; two daughters, Patricia Jenkins of Annapolis and Isabelle Koenig of Chevy Chase; a sister, Mercedes Manders of Rockville; and 10 grandchildren. WIRT D. WALKER Intelligence Analyst

Wirt Dexter Walker, 77, a retired Air Force major who was an intelligence analyst at the Defense Intelligence Agency from 1962 to 1977, died of leukemia June 11 at Walter Reed Army Medical Center. He lived in McLean.

He served in the Air Force for 20 years before retiring in 1962. He flew combat missions with the Eighth Air Force while stationed in England during World War II. After the war, he was assigned to various government agencies involved in reconnaissance intelligence.

Maj. Walker, who was born in Buffalo, grew up in Chicago. He graduated from Williams College in Williamstown, Mass. In 1962, he settled in the Washington area to begin his career with the Defense Intelligence Agency.

He was a member of the Country Club of Fairfax and the Retired Officers Association. Survivors include his wife of 55 years, Margaret R. Walker of McLean; two sons, Wirt D. Walker III of McLean and William R. Walker of Fairfax; a daughter, Wendy M. Walker of Falls Church; and a grandson.