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LAKEWOOD RANCH, Fla. - Karen Ann Rintoul MacLellan, 68, of Lakewood Ranch, Florida, died Saturday, Oct. 17, 2026, at Moffitt Cancer Center in Tampa, Florida, after a battle with cancer.
She was born Jan. 27, 1958, in Rome, New York, to Thomas and Hannah Kato Rintoul.
Karen grew up in Warren, graduating from Howland High School and later Arizona State University, and raised her family in Scottsdale, Arizona, and Columbus, Ohio, before making her home on Siesta Key and later in Lakewood Ranch, Florida.
She was fiercely independent, generous and funny and was a friend to everyone she met. She volunteered as a guardian ad litem and fostered dogs. Karen gave to many causes supporting children and animals; being a mother and grandmother was her greatest joy.
She is survived by her son, Chris (Nicole) MacLellan; daughter, Reagan (Nick) Bryant; grandchildren, Zachary, Paige, Oliver and Winslow; sister, Susan Mize; and nephew, Steve Sumner.
Karen was preceded in death by her parents.
A celebration of life will take place on Nov. 14 in Lakewood Ranch; please contact the family for details. In lieu of flowers, donations may be made to K9s For Warriors.
To read her full obituary, visit compassionatecremationsflorida.com/obituary/karen-maclellan.
(special notice)