Mademoiselle means Miss in French. It is used to address unmarried, young women. You may use 'Madame' when the marital status is not relevant (- and when the person seems old enough to be married)
Mademoiselle Delait died in 1939.
Mademoiselle Kithnou is 5' 5".
Mademoiselle Mars was born in 1779.
Mademoiselle Mars died in 1847.
Mademoiselle Montansier was born in 1730.
Mademoiselle Montansier died in 1820.
Mademoiselle from Armentières was created in 1915.
Mademoiselle Ninette was created in 1970.
Mademoiselle Aïssé was born in 1694.
Mademoiselle Aïssé died in 1733.
Mademoiselle Mozart was created in 1935.
Coco Mademoiselle was created in 2001.