William "Bill" Kosinski Obituary (1954 - 2026)

Born Feb 11, 1954, William "Bill" Kosinski attended Lane Tech High School in Chicago, IL. View the obituary, post a memory, or share a photo about William "bill" Kosinski.

Graduation Year	Class of 1971
Date of Birth	Feb 11, 1954
Date of Passing	Jan 15, 2026
About	Concert band, marching band and symphony member.