William J. Kosky, 80, of 920 Southbridge St. was stricken ill and died Sunday in his home.
    His wife, Frances B. (Danilowicz) Kosky, died in 1969. He leaves a son, William G. Kosky of Medway; a daughter, Patricia B. Kosky of Stamford, Conn.; two sisters, Virginia T. Pranitis of Auburn and Mildred M. Kosky of Worcester; and two grandchildren. He was born in Worcester, son of George and Nora (Puzonis) Kosky, and lived here all his life. He graduated from the former Commerce High School.
    Mr. Kosky was a sales manager at John J. Nissen Baking Co., where he worked for 38 years. He retired in 1973.
    The funeral will be held tomorrow from Henry Funeral Home, 33 Ward St., with a Mass at 10 a.m. in Christ the King Church, 1052 Pleasant St. Burial will be in Worcester County Memorial Park, Paxton. Calling hours at the funeral home are 7 to 9 tonight. The family requests that flowers be omitted. Memorial contributions may be made instead to the American Heart Association, 23 Midstate Drive, Auburn 01501.