When Marshall Burnham Crouse was born on 20 August 1892, in Washburn, Aroostook, Maine, United States, his father, Jesse M Crouse, was 51 and his mother, Florence Alberta Clark, was 33. He married Miriam Albina Winnifred Flewelling on 18 February 1914, in Washburn, Aroostook, Maine, United States. They were the parents of at least 3 sons and 3 daughters. He lived in Aroostook, Maine, United States in 1935 and Readfield, Kennebec, Maine, United States in 1940. He died on 4 June 1947, in Lewiston, Androscoggin, Maine, United States, at the age of 54, and was buried in Crouseville Cemetery, Washburn, Aroostook, Maine, United States.