Analysis of information sources in references of the Wikipedia article "Bloody Mary (cocktail)" in English language version.
The story is that there were a few customers, a few friends, and the bartender, Pete [sic] Petiot, made a cocktail for them with tomato juice and vodka.
'Red Hammer' is a new Hollywood cocktail. Helene Reynolds mixes one for Bob Turner at her party. It is part tomato juice and part vodka, with a dash of lemon.
'A couple of Bloody Marys.' The bartender shook his head. 'You got me, friend.' 'A glass of tomato juice, ice, a slug of vodka and some salt.'