She was born in Cambridge, Massachusetts on March 16, 1934, daughter of the late Arthur H. and Dorothy P. Jordan Staffon. Patricia grew up in and around Arlington and graduated high school in 1951. She earned a diploma from the Academie Moderne in Boston in 1953. She was employed for a period at the National Lead Paint Company as a chemist before her marriage.
Figure skating was a favorite activity that she carried on throughout her life, skating whenever and wherever she could, enjoying every moment of her ice time. Patricia married the late William Howard Grennell on December 24th 1958, and they moved to Marlbough briefly before settling down in Groton. A dedicated housewife, she enjoyed the rural setting taking time to plant and tend flower gardens and roses. She always enjoyed a good crossword puzzle and later on, Sudoku. She is survived by her two daughters, Wendy L. Grennell of Groton and Terry L. Grennell of Dennis, her son William J. Grennell and his wife, Misty, of Westford; one grandson, David; and her brother, Peter Staffon of Dennis, Massachusetts.