 Osowski died on August 22, 2004, at the age of 41 from complications of pancreatitis.Osowski was a native of Leominster, Massachusetts and was very involved with his hometown community, sponsoring the Catherine Osowski Memorial Scholarship at his alma mater, Leominster High School, granted to students seeking careers in nursing.He also started and carried on the Mark Osowski Pro Basketball Camp for boys and girls.