Timothy Roy Costigan

The family announces the passing of Timothy Roy Costigan of Mississauga, Ontario, on October 24, 2026, at the age of 85. Born on July 23, 1941, Timothy shared many meaningful moments and relationships throughout his life. He was predeceased by his parents, Charles Frederick 'Ted' and Gertrude Isabel Costigan, as well as his sister Cathy (Frank). Timothy is survived by his significant other, Carol; his children, Tim (Kathleen), Andrew (Sheila), Craig (Amy), Mark (Sarah), Catherine (Brad), and Shannon (Richard); and his grandchildren, Jack, Gregory, and Katie. He also leaves behind his other children, Sarah (Nick), Eric, Axel, MaryJane, Edythe, Kate, Rosie, Emily, and Tyler; and his siblings, Dan (Gloria), Peg (Al), Jim (Betsy), and Gerry (Charlene). Visitation will take place on Friday, October 30, 2026, from 2:00 PM to 4:00 PM and from 7:00 PM to 9:00 PM at the Peel Chapel, located at 2180 Hurontario St, Mississauga, ON L5B1M8. For those wishing to make a donation, contributions can be made to the Trillium Health Partners Foundation.