Surrounded by the love of her family, Daisy passed away peacefully on the evening of Friday 20 May 2022 in the Toronto home that she shared with her son Robert, daughter-in-law Carolyn, and grandchildren Ian, Dylan, and Aiden. Also survived by sister-in-law Julie, and numerous nieces, nephews, and cousins, she was predeceased by her parents and sister, her loving husband of 54 years, John Joseph McCann, and his five siblings.

Born Gisela Schoendorff, Dr. McCann was a research biochemist and entrepreneur, who taught in the Department of Biological Chemistry at the University of Michigan, founded the temp-to-perm placement service Add-a-Tech, Inc., and served many years as the Executive Director of the Clinical Ligand Assay Society. She was a source of wisdom and inspiration to many.

A celebration of life will be held on Saturday 28 May 2022 at Toronto's Mount Pleasant Funeral Center 416-485-5572 (visitation at 3 pm, hybrid (virtual+in-person) service at 4:30 pm preceded by music). Donations to the McCann Memorial Fund to endow a student scholarship at the University of Toronto (800)-463-6048 accepted gratefully in lieu of flowers. See also www.math.toronto.edu/mccann/Daisy

"Behold, we are not bound forever to the circles of the world, and beyond them is more than memory."