Madeline B. DeBlois, 67, a retired teacher and librarian at St. Anthony's School in Falls Church, died of caner Wednesday at Walter Reed Army Medical Center.

Mrs. DeBlois was born in Providence, R.I., and graduated with a degree in education from Rhode Island College. She and her husband, Rene DeBlois, an Army colonel, moved to Arlington in 1953 and to Falls Church four years later. He died in 1976.

Mrs. DeBlois taught at St. Anthony's from 1957 until here retirement in 1972. She also taught senior citizens classes at St. Anthony's Church and took part in other church activities.

She was a past secretary of the Sleepy Hollow Citizen Association in Falls Church and for 10 years was circulation manager of the community newspaper put out by that group. She was a volunteer at the Sleepy Hollow Nursing Home.

Survivors include two daughters, Madeleine, of Washington, and Marianne Zentz, of Exton, Pa,; two sons, Mark, of Detroit, and Michael, of the home in Falls Church; six brothers, William Boyle, of Alexandria, Russell Boyle, of Providence, Arthur Boyle of East Greenwich, R.I., Army Gen. Richard Boyle, of Frankfurt, Germany, Edmund Boyle, of Philadelphia, and John Boyle, of Nashua, N.H.; two sisters, Hope Mcgrath, of Cranston, R.I., and Evelyn Foster, of West Warwick, R.I., and three grandchildren.