Namesakes
Australian Prime Ministers:
1 prime minister
Tony Abbott 2013-2015 
Canadian Prime Ministers:
1 prime minister
John Abbott 1891-1892
Fictional Characters from Books:
1 hero
Jerusha Abbott 1912 Daddy-Long-Legs
Fictional Characters from Television:
5 characters
Amy Abbott 2002 Everwood
Bright Abbott 2002 Everwood
Harold Abbott 2002 Everwood
Linda Abbott 2002 Everwood
Rose Abbott 2002 Everwood
Harry Potter Characters:
1 character
Hannah Abbott