Event details Stop by the Governor Oglesby Mansion to enjoy a traditional Christmas afternoon tea. Experience this historic Victorian home beautifully decorated by the Decatur Garden Club. Also, this year the Macon County Association for Home and Community Education will be serving up Emma Oglesby’s orange marmalade and shortbread cookies. A limited number of jars of marmalade will be available for purchase. Event requirements No reservations necessary. Suggested donation of $5/adult and $2/child to attend. Located at 421 W. William Street in Decatur, IL.