Gertrude Koerper Dusham died June 1 in Wausau, Wisconsin. She was 75. Mrs. Dusham was a former resident of Wilmette and West Palm Beach, Florida. She was the wife of the late Jack Dusham. Mrs. Dusham previously was employed by the Wilmette State Bank. She was a member of the First Evangelical Lutheran Church, West Palm Beach, and the American Association of Retired Persons. She is survived by a niece, Karen Hurst of Wausau; and great-nieces and nephews, and other relatives and friends. Funeral services were June 4 in the Chapel of Peace Mausoleum, Memorial Park, Skokie. The Rev. Lewis Hopfe from First Congregational Church, Evanstotn, officiated. Burial was at Memorial Park.