Joanna Blazej, née Potempa, 74, was born on March 4, 1945 in Poland to the late Antoni and Maria and passed away on February 22, 2020. Joanna was the beloved wife of the late Marian Blazej; loving mother of Margaret (Mitchell) Ostrowski and Agnieszka ( Tony) Zurek; cherished grandmother of Alexandra, Kaitlyn, Gabriella, Christian, and Maia; sister of the late Fryderyk, the late Helena, the late Jozia, Julia, and Rozalia; fond aunt of many nieces and nephews. She will be missed dearly. Visitation will be Wednesday, February 26, 2020 from 3-8 PM at Malec & Sons Funeral Home, 6000 N, Milwaukee Ave, Chicago, Illinois. Prayers will be said Thursday, February 27, 2020 at the funeral home and proceed to St. Ladislaus for funeral mass at 10:00 AM. Interment will be at Maryhill Cemetery.