Ensign wrote an art-news column for the “inquirer and Mirror”, and painted Americana canvases of such subjects as the American Revolution and Nantucket history. She studied sculpture in New York and on island worked with Niki Carpenko. At the beginning of the ‘80’s, Ensign shared a gallery with Jo Sibley called the Ensign-Sibley Gallery. She kept a studio on Eel Point Road. She flourished as an artist from 1970-1990.