William Z. Tyska of Pennsylvania died on Aug. 23, 2025. He was 81 years old.
He was born on May 22, 1944, in Riverhead, to Bertha I. (Yousik) and William Z. Tyska Sr. He graduated from Riverhead High School in 1961 and later attended Clarkson Technology University in Potsdam, New York, where he earned a bachelor’s degree in electrical engineering. After college, he enlisted in the U.S. Army and served honorably from 1966 to 1968 in Alaska, achieving the rank of specialist E-4. William had a long career with GE as an electrical engineer, traveling extensively for work and eventually retiring from the company. Before moving back to Long Island, he lived in Exton, Pennsylvania, and Hanover, Pennsylvania. He enjoyed hunting and target practice.
He was predeceased by his parents and sister, Joyce Densieski. He is survived by his siblings Allen of Henderson, Nevada, and Alice Zaweski of Jamesport.
Graveside services with U.S. Army honors will be held on Thursday, Aug. 28 at 2 p.m. at Calverton National Cemetery, officiated by Monsignor Joseph Staudt. The funeral procession will leave the DeFriest-Grattan Funeral Home in Mattituck at 1:30 p.m. that day.
