Namesakes
American First Ladies:
1 first lady
Nellie Taft 1909-1913 
Emmy Award Winners:
1 actress
(actress) Polly Bergen (a.k.a. Nellie) 1958 The Helen Morgan Story
Fictional Characters from Song Titles:
1 character
(character) Nellie 1956 Nellie The Elephant
Fictional Characters from Television:
1 character
Nellie Bertram 2005 The Office
Hall-of-Famers:
1 baseball
(baseball) Nellie Fox 1997
Most Valuable Players:
1 winner
Nellie Fox 1959 baseball
Notable Actors and Entertainers:
1 actor/presenter
Polly Bergen (a.k.a. Nellie) 1930-2014
Notable Athletes:
1 baseball, 1 gymnastics
(baseball) Nellie Fox 1927-1975
(gymnastics) Nellie Kim 1957-
Notable Journalists:
1 journalist
(journalist) Nellie Bly 1864-1922
Notable Writers:
1 author
Nella Larsen (a.k.a. Nellie) 1891-1964
Olympic Medalists:
1 bronze, 1 silver/gold
(bronze) Nellie Halstead 1932 4x100 m relay
(silver/gold) Nellie Kim 1976; 1980 artistic gymnastics