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:
5 characters
Abigail Deveraux 1965 Days of Our Lives
Abbie Carmichael 1990 Law & Order
Abby Lockhart 1994 ER
Abby O'Neil 1997 Dharma & Greg
Abby Sciuto (a.k.a. Abigail) 2003 NCIS
Notable Actors and Entertainers:
3 actors
Natascha McElhone (a.k.a. Abigail) 1971-
Abigail Spencer 1981-
Abigail Breslin 1996-
Notable Athletes:
1 soccer, 1 tennis
(soccer) Abby Wambach 1980-
(tennis) Abigail Spears 1981-
Notable Writers:
1 author/poet
Margaret Walker (a.k.a. Abigail) 1915-1998
Olympic Medalists:
1 gold, 1 silver
(gold) Abby Wambach 2004; 2012 football
(silver) Abigail Johnston 2012 diving