Phyllis Joanne Sedlacek Obituary
With solemn hearts, we announce the passing of Phyllis Joanne Sedlacek of West Chicago, Illinois, whose presence will be deeply missed, having departed on January 29, 2026 at the age of 87. Family and friends can send flowers and condolences in memory of the loved one. Leave a sympathy message to the family on the memorial page of Phyllis Joanne Sedlacek to pay them a last tribute.
She was predeceased by: her parents, Andrew Ostonko and Sophie Ostonko; her husband John Sedlacek; and her siblings, Mary, Anna, Helen, John, George, Katherine, Theresa and Joseph (Barbara Ostonko).
She is survived by: her siblings, Victoria Stankowicz of Lodi, WI and Harold Ostonko (Marilyn) of Huntingburg, IN; her children, Doris Crutchett (Gregory), Vickie Johnsen, Lisa Erwin (James), John Jr. and Rachel Sedlacek; her grandchildren, Samantha Zimmerman (Robert), Matthew Sims, Jason Schadeberg (Sarah), Heather Simms (Ashley Schadeberg), James Jr. Erwin (Lisa), Kyle Erwin, Eric Erwin (Anna), Dakota McKee, Johnnie Sedlacek and Brianna Ellen Fraser Mackenzie; Dawgg.
