Helen R. Hartdegen, (nee Ploucha) age 85, of Tempe, Arizona passed away May 2, 2019. Helen was born in Michigan and was a resident of Lockport, Illinois for many years. She was preceded in death by her daughter Lynda Hartdegen. Helen is survived by her beloved husband Donald, her loving children, Janet, Nancy (Jerry) Wheeler, and Donald Jr. (Suzanne); her devoted grandchildren Joe (Maribeth) Ebert, Melanie, Austin (Amber) Wheeler, Bryan (Hannah) Wheeler, Brendan Hartdegen, Matthew Hartdegen, Colleen Hartdegen, and Caroline Hartdegen; her dear great-grandchildren Jakob Ebert, Andrew Ebert, Ryan Ebert, Morgan Ebert, Noah Wheeler, and Owen Wheeler; many nieces and nephews as well as dear, close friends. A visitation will be held on Tuesday May 7, 2019 from 4:00 p.m.-8:00 p.m. at O’NEIL FUNERAL HOME & HERITAGE CREMATORY, 1105 E. 9th Street, Lockport, Illinois. Mass of Christian Burial will be Wednesday, May 8, 2019 at 10:00 a.m. at St. Dennis Catholic Church, 1214 S. Hamilton, Lockport, Illinois. Interment will immediately follow at Resurrection Cemetery, Romeoville, Illinois. Richardson Funeral Home, Tempe, Arizona and O'Neil Funeral Home, Lockport, Illinois are both compassionately serving the family.