found a story in newspaper about death of this Steve Kovacik.
Steve Kovacik of Toledo, OH, accidentally shot and killed himself, Sunday, July 4, while visiting at the home of his brother-in-law, Andy Vojtaskovic. The latter had a large colt automatic revolver. Kovacik asked to see it. Vojtaskovic told him to careful as it was loaded. While Kovacik was examining the gun, he accidentally discharged it. The bullet entered below his right eye, went through his brain and came out at the back of his head, killing him instantly. The body was taken to Toledo, Monday for burial.
(from Vandergrift News, Vandergrift, PA, Thursday, 8 Jul 1920)
There is also a PA death certificate on line for this Steve.