Colleen Kathryn Casey-Warstler, beloved wife, mother, grandmother, and sister, passed away peacefully on May 24, 2024, at the age of 75. Born in Detroit, Michigan, Colleen was the cherished daughter of the late Frederick and June (Bryant) Casey.

Colleen was the devoted wife of Robert Warstler, sharing 48 wonderful years of marriage. She was the loving mother of Matthew (Maureen) and Erin, and the proud grandmother of Mikayla, Cian, Aidan, James, and Ava. She will also be dearly missed by her brother Patrick (Urszula) Casey and was predeceased by her sister, Karen Deneau.

Colleen had a passion for reading, antiquing, and gardening. She loved spending time with family and friends, and she particularly enjoyed sharing meals with them. A dedicated reader, Colleen made it a point to read the Wall Street Journal every day.

Visitation will be held 2-6 Sunday, June 2, 2024, at the O'Brien/Sullivan Funeral Home, 41555 Grand River Ave, Novi, MI 48375. A funeral mass will take place at 10:30 am June 3, 2024, at St. Patrick Catholic Church, 711 Rickett Road, Brighton, MI 48116 with visitation from 9:30 am until time of mass. Colleen will be laid to rest at Holy Sepulchre Cemetery in Southfield, MI.

In lieu of flowers, memorial contributions may be made to the American Cancer Society .

Colleen's memory will live on in the hearts of all who knew and loved her.