Cecelia A. (Kopera) Yazwinski, 83, of Niagara Falls, NY passed away on Monday, January 21, 2019 at Niagara Falls Memorial Medical Center. Born in St. Boniface, PA on July 23, 1935 she was the daughter of the late Joseph L. and Mary (Tabatcher) Kopera. She is survived by her children, Debra (late Terry) Weigel and Mark (Linda) Yazwinski; grandchildren, Jennifer, Kristy, Samantha and Mark; four great-grandchildren; brothers, Joseph F. (late Helen) Kopera and William (Henrietta) Kopera. Also survived by several nieces and nephews. Besides her parents she was predeceased by her husband, William "Bill" Yazwinski; brothers, Stephen Kopera, Paul Kopera and George Kopera. There is NO PRIOR visitation. Funeral Services will be held 11:30 AM on Saturday, January 26th at ZAJAC FUNERAL HOME INC., 319 24th Street, cor of Welch Ave, Niagara Falls, NY with Rev. Jacek Mazur officiating. Burial will take place at the convenience of the family.