Oskar is survived by his wife Elly Neumann, his son Harry Neumann, and his brother Otto Neumann.
A Memorial Service will be held at Foster's Garden Chapel 3220 - 4 Street NW, Calgary, Alberta on Friday, January 9, 2026, at 2:00 p.m.
In lieu of flowers, please donate to Samaritans Purse - samaritanspurse.ca or the Canadian Cancer Society - cancer.ca.