Michael James Siefert, 75, longtime resident of Lisle, suddenly, at rest March 10, 2025. Beloved husband of 51 years of Margaret (nee Quinn); loving dad of Sarah (Chad) Barney, Lizzie (Brian) Reidy and Maggie (Eric) Cann; cherished grandpa of Matt, Alex and Jane Barney; Owen (Katie), Maureen and Duncan Reidy; Logan and Axel Cann; devoted son of the late Jerome and Rosemary (nee LaVelle) Siefert and son-in-law of the late Martin and Ruth Quinn; dearest brother of Mary Jane (Bill) McDermott, Jerry (Lee) Siefert, Patsy (Gerry) Stanke, Bob (Maryann) Siefert, the late Tom (Kim) Siefert and Kathy (John) Delaney; dear brother-in-law of Dianne (Pat) Danaher, Mary Ellen (Russ) Grobe, the late Patty Quinn and Marty (Kathryn) Quinn; fond uncle of many nieces and nephews. Mike was an audiologist and began his own practice at Naperville Hearing Services and although retired, he still was affiliated with the practice. He graduated from Lewis College in Joliet, where he was a proud fraternity member of Phi Mu Alpha Sinforia. Mike was a longtime, active parishioner at St. Joan of Arc Church and was very devoted to St. Joan of Arc School. He loved volunteering, especially when it concerned the Dominican and Benedictine Sisters. He was also a member of Knights of Columbus St. Joan of Arc Council #15168 and Bishop Romeo Blanchette Assembly 3044. Numerous lives have been touched by Mike’s heart of service and he will be deeply missed. Visitation Thursday, March 20, 2025 from 3-8 P.M. at Cappetta’s West Suburban Funeral Home & Cremation Services 4920 Main St., Downers Grove. Funeral Friday, 9 A.M. at the funeral home processing to St. Joan of Arc Church 820 Division St., Lisle for a 10 A.M. Mass of Christian Burial. Interment Holy Family Cemetery, Downers Grove. In lieu of flowers, memorials may be made to Dominican Sisters Immaculate Conception Province at Rosary Hill Home, 9000 W. 81st St., Justice, IL 60458 or Benediction Sisters at Sacred Heart Monastery, 1910 Maple Ave., Lisle IL 60532. Funeral Info 630-852-8000 or westsuburbanfh.com

VISITATION: March 20, 2025
Day: Thursday
Time: 3-8 P.M.
Location: Cappetta’s West Suburban Funeral Home

4920 Main St., Downers Grove, IL 60515     630-852-8000

FUNERAL MASS: March 21, 2025
Day: Friday
Time: 10 A.M.
Location: St. Joan of Arc Catholic Church

820 Division St., Lisle

INTERMENT: Holy Family Cemetery Downers Grove