Maria Sibylla Merian
Maria Sibylla Merian (2 April 164713 January 1717) was a German-born naturalist and scientific illustrator, a descendant of the Frankfurt branch of the Swiss Merian family. Merian was one of the first naturalists to observe insects directly.
Maria Marques
Maria Cecília Marques (born May 5, 1976 in Rio de Janeiro) is a female water polo player from Brazil, who won the bronze medal with the Brazil women's national water polo team at the 2003 Pan American Games. She played in a defending role in the national squad.