Memorials may be made to SSM Hospice, Christview Christian Church Building Fund, or American Lung Association. Slater, Leo J., of St. Charles, Missouri, died on Wednesday, February 13, 2008 at the age of 76. Leo was the beloved son of the late John Slater and the late Genevieve Slater. Loving husband of Mary Slater. Devoted father of Leann (Dennis) McCarty of Saint Louis, Missouri, Valerie (Mike) Gilmore of Saint Charles, Missouri, Jill (Dale) Kluesner of Saint Charles, Missouri, and Chad (Jennifer) Slater of Saint Charles, Missouri. Dear Grandfather of 6, Great Grandfather of 3, Brother of 5. He is preceded in death by Son: Russell E. Slater; 2 sisters; 5 brothers. He was a member of Christview Christian Church.