The funeral service will be held on Saturday at the Adriaanse Community Hall in Elsies River.
A peace walk has also been arranged for 8am on Saturday, from the Elsies River High School, for those who will not be able to attend the funeral.
Courtney went missing on 4 May. He body was discovered on in Epping Industria on 13 May.
A family friend and tenant, Mortimer Saunder, 40, was arrested for her rape and murder.