Mamie Jensen was born in 1906 in Douglas, Alaska to John Feusi and Mary Ott. Her father was from Switzerland and her mother from Germany, and they operated a general store in Douglas. After graduating from Douglas High School, Mamie attended business school in Tacoma, Washington, and then worked as head bookkeeper for Juneau Cold Storage. She married Marcus Jensen in 1933 after they met at an Elks Club dance. Mamie helped run her family's store, and was active in the Juneau community. She participated in music and dance activities, was an active member of the Douglas Island Women's Club, the Catholic Daughters of America, Soroptomists, Toastmasters, and Beta Sigma Phi, and helped start the Douglas Public Library. She is remembered for her hospitality, warm and gracious manner, and delicious cooking. In the 1950s, she was even named "Mother of the Year." Mamie Jensen passed away in 2001 at the age of 94. For more about Mamie Jensen, see her obituary in the Juneau Empire newspaper.