Wikipedia:Wikifun/Round 14/Answers/Question 1

Answer.
Females named Bloody Mary
 * Salty islander → Google en.w for salty islander → Bloody Mary (person) → South Pacific (musical) → Bloody Mary (South Pacific)
 * Ghost → Bloody Mary (person)
 * Queen → Bloody Mary (person)
 * Assassin with MPD → MPD → Dissociative identity disorder → Google en.w for assassin bloody.mary → Typhoid Mary (comics) → Bloody Mary

I'll give you it. The question asked for the 'two common ingredients', which, if you look at Bloody Mary (cocktail) are vodka and tomato juice. Anyway - 2 points to Jeandre