Louella Butter.Louella Brand butter was made at the Otisco Co-op Creamery. It was sold through American Stores of Philadelphia, Pennsylvania. Mrs. Rudolph believes Louella butter was also made at the Waseca Co-op Creamery at one time. Mrs. Rudolph's brother, A.J. Anderson, was a buttermaker at the Otisco Creamery, he named a daughter Louella after the butter he made.