was born Maymie Leona Turpeau De Mena in 1891, to Isabella Regist and Francisco Hiberto De Mena in San Carlos, Nicaragua. She was raised in an upper-middle-class family—her father was the government minister of lands in San Carlos—and was privately educated. De Mena traveled to the United States in 1913–1914 and 1917–1925. She was employed as a clerk-stenographer and teacher before she began her career in Marcus Garvey’s United Negro Improvement Association (UNIA) as an interpreter, lecturer, organizer, and journalist. Originally, she joined the Chicago chapter of the UNIA, serving as one of their delegates to the national convention in 1924.
Although in 1925 she was still listed as part of the Chicago UNIA, following her participation at the 1924 convention De Mena was tapped by Garvey to accompany George Emonei Carter and Henrietta Vinton Davis on the SS Goethals when it toured the Caribbean to ...