Early 19th century. From French Marie Louise from the name of Marie Louise, Austrian archduchess who became Empress of the French as the second wife of Napoleon I.
Definition of Marie Louise in US English:
Marie Louise
noun
A variety of yellow-skinned pear.
Origin
Early 19th century. From French Marie Louise from the name of Marie Louise, Austrian archduchess who became Empress of the French as the second wife of Napoleon I.