Mark J. O’Donnell, 73, of Holland, Michigan, died August 4, 2026. Mark was born in Syracuse, New York and attended Canisius High School in Buffalo, New York.
He graduated from LeMoyne College with a B.S. in Economics and from Cornell University with an MBA in Hospital Administration. In 2005, he obtained a master’s in education from Aquinas College in Grand Rapids.
Mark had a successful career in health care consulting before embarking on a second career teaching college mathematics.
His varied interests ranged from a love of Gilbert and Sullivan and Community Theater to the Chicago Cubs. He trained for and participated in many triathlons.
Mark was predeceased in death by his Father Bernard T. and his mother Jane A. He is survived by his loving wife Nancy Tait, sisters Molly (Mike McGahan, deceased), Katie, and his brother Tim (Kitty), and wonderful nieces and nephews and grand-nieces and nephews.
A funeral mass will be held at Our Lady of the Lake Church, 480 152nd Ave, Holland, MI 49424, at 11:00 A.M. on Wednesday, August 12th, 2026, with an hour’s visitation before the service. Father Michael Burt, presiding.
In lieu of flowers, memorial contributions can be made in Mark’s memory, to: Our Lady of the Lake Parish.
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