Mary Margaret McDonald of Kennett Square

Mary Margaret McDonald (Glaab) died peacefully on Thursday, Feb. 15 at her home in Kennett Square. She was 91 years old.

Mary Margaret McDonald

Mary was predeceased by her husband of 59 years, Charles Cameron “Cam” McDonald, a research scientist with the DuPont Company. She was also predeceased by two sons, Peter Scott McDonald of Boothwyn, and John Sutherland McDonald of Wilmington, and a brother, Charles Michael Glaab of Sarnia, Ontario.

Mary is survived by two sons, Charles Lachlan McDonald and his wife Susan of Atlanta, Ga. and Eric Cameron McDonald of Kennett Square, and three daughters-in-law, Renay and Patti McDonald and Pamela Gieseler.

Mary is also survived by eight grandchildren, Meghan Marie, Alexander Logan, Charles Lucas, Mary Christine, Nathan Daniel, Brian Cameron, Jessica Lee and Cameron James McDonald, and two brothers, Peter William Glaab of Sarnia, Ontario Canada, and John Kenneth Glaab, of Uruapan and La Paz, Mexico.

Mary graduated from St. Joseph’s High School in Toronto, Ontario, Canada and then attended the University of Western Ontario in London, Ontario where she graduated as a lab technician and met her husband.

After college, Mary worked for the Polymer Corporation as a lab technician, and in 1948 was elected “Miss Polymer.” Mary left Canada to live in Chicago, Ill. where Cam received his doctorate in chemistry from the Illinois Institute of Technology.

In 1955, Mary moved to Wilmington, so Cam could begin his career with DuPont and then, in 1979, they moved to Hamorton Village in Kennett Square.

For many years, Mary was active in the Kennett Square business community where she owned and operated the Decoy Book Store in Kennett Square. She was an avid reader and an active member of her book club. Mary was a member of St. Patrick Roman Catholic Church in Kennett Square, and for many years was a continuing education student at the Academy for Life Long Learning at the University of Delaware’s Wilmington campus.

Mary loved to travel and regularly proclaimed she was “willing to go anywhere, anytime with anyone.”

In addition to her family, she will be missed by her neighbors who considered Mary a beloved member of their community and by her many friends.

You are invited to visit with her family and friends from 9 to 9:45 a.m. on Monday, Feb. 26, at the Kuzo & Grieco Funeral Home, 250 West State Street, Kennett Square, followed by a Mass of Christian Burial at 10 a.m. at St. Patrick’s Church, 212 Meredith Street in Kennett Square. Interment will be at the Lower Brandywine Presbyterian Church Cemetery, 101 Old Kennett Road, Wilmington, Delaware.

Family and close friends can attend a reception at Mary’s home at 24 Elmwood Drive, Kennett Square immediately after the burial service.

In lieu of flowers, please contribute to the Willow Tree Hospice in Kennett Square who helped make Mary’s final weeks comfortable and peaceful.

To view her online tribute and to share a memory with her family, please visit


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