Ham, Mildred "Mimi" (Olson) of Lexington, June 17, 2018. Wife of the late Richard W. Ham and dear friend of the late Robert Everett. Mother of Richard W. Ham Jr. and his wife Gayle, Cindy C. Gelinas and her husband Ray, and Dana B. Ham and his wife Maryanne. Sister of Mertice Currier and the late George Olson. Mimi is also survived by 6 grandchildren, Richard W. Ham III and his wife Lauren, Brian W. Ham and his wife Sarah, Steven R. Gelinas and his wife Lindsey, Nicole K. Gelinas, Ryan R. Ham, and Kevin N. Ham, by 2 great grandchildren, Richard W. Ham IV and Emma G. Ham, by many nieces and nephews, and by her dear friends, Nancy Wills, and George and Claudia Stanton. A funeral service will be held Thursday June 21 at the First Lutheran Church in Waltham at 11am. Relatives and friends are kindly invited to attend. Visiting hours at the Douglass Funeral Home, 51 Worthen Rd. Lexington Wednesday from 3pm to 7pm. Donations in her memory may be made to the First Lutheran Church, 6 Eddy St. Waltham, MA 02453 or to the Dick Ham Memorial Scholarship, C/O Minuteman Regional High School, 758 Marrett Rd. Lexington, MA 02421. Interment Mt. Feake Cemetery, Waltham.