Mary S. Whitmore was born on October 15, 1888 to William Holden and Lucy Ella (Lawler) Whitmore in Southwest Harbor, Maine. Mary died on December 28, 1923 in Southwest Harbor.
“Whitmore - Mary S. Whitmore (1888-1925),” Southwest Harbor Public Library, accessed November 22, 2024, https://demo.digitalarchive.us/items/show/9935.Item 13943
