Namesakes
Fictional Characters from Song Titles:
1 character
(character) Rosalyn 2009 Rosalyn 
Nobel Prize Winners:
1 medicine
(medicine) Rosalyn Yalow 1977
Notable Scientists and Inventors:
1 physicist
Rosalyn Yalow 1921-2011
Olympic Medalists:
1 silver
(silver) Rosalyn Bryant 1976 4x400 m relay