763. Martin V. Countryman, Certificate of Death, Lenawee County, Michigan, 25 May 1910. Division of Vital Statistics, Department of State, State of Michigan. (Images: Ancestry.com. Image on file.)

114. Gravestone, Martin V. Countryman, Riverside Cemetery, Clinton, Lenawee County, Michigan. Find A Grave Memorial: 60370701. (Images: Find A Grave. Image on file.)