Mary Clark Rockefeller died at the age of 91 on April 21, 99. She was the estranged wife of Nelson. She continued to summer on the island after the divorce. She was a tireless supporter of nursing education and the nursing profession.
“Mary Clark Rockefeller Obituary,” Mount Desert Island Historical Society, accessed April 11, 2025, https://mdihs.digitalarchive.us/items/show/3716.Item 4082
