Namesakes
American First Ladies:
2 first ladies
Abigail Adams 1797-1801 
Abigail Fillmore 1850-1853
Biblical Characters:
2 characters
Abigail (f) 1 Chr. 2:16
Abigail (f) 1 Sam. 25:3
Fictional Characters from Television:
1 character
Abby Deveraux (a.k.a. Abigail) 1965 Days of Our Lives
Notable Actors and Actresses:
2 actresses
Abigail Spencer 1981-
Abigail Breslin 1996-
Notable Athletes:
1 tennis
(tennis) Abigail Spears 1981-
Olympic Medalists:
1 gold, 1 silver
(gold) Abby Wambach (a.k.a. Abigail) 2004; 2012 football
(silver) Abigail Johnston 2012 diving
Title Characters:
2 books
(book) Abigail 1996 Daring to Be Abigail
(book) Abigail 2014 Always, Abigail