Helen B. Onderak Obituary
It is with deep sorrow that we announce the death of Helen B. Onderak (Beloit, Wisconsin), who passed away on May 19, 2026, at the age of 93, leaving to mourn family and friends. You can send your sympathy in the guestbook provided and share it with the family.
She was predeceased by: her parent Johann Riedl (Hans); her husband Edward Onderak; her grandson Benjamin Couillard; her parent Appolonia Riedl (Lonia); her sister Rita Spillane; and her parents-in-law, John and Anna Onderak.
She is survived by: her sister Florence Ostdick; and her children, Mary Madaus (Mark), John Onderak (Tamara), Therese Galatowitsch (Joseph), Nancy Kelly (Patrick), Mark Onderak, Julie Weber (Gregg), Susan Couillard (Stew), Kristin Kitto (Brant), Polly Schmidt (Peter), James Onderak (Amy), Anne Thielmann (Scott) and Matthias Onderak (Jen). She is also survived by 35 grandchildren, 11 grandchildren-in-law, 19 great-grandchildren and many nieces and nephews.
Memorial contributions may be made to: OLA Tuition Assistance Fund or Beloit Regional Hospice.
