LibriumArcana.Games

Would you say that Sonya (Marmeladovs daughter, a prostitue and Raskolnikovs eventual savior) is a mary Sue?

Mary Sue

Part 3: The Pity-Beggar Mary Sue

Seems to suit her, her father [indirectly] causes her to have to turn into a prostitute to support her family and Katerina Ivanovna scolds her constantly before her becoming a prostitute (While her father wastes the money in a drunken stupor).

She's also annoying "pure" from her constant belief in god and ressurection (she brings up the ressurection of Lazarus at every possible occasion), and her refusal to let anyone else stoop to her depths while being shown as a martyr.
She's also an idiot (Her initial refusal to accept the money from Svidrigailov) while constantly refusing to act proactively believing that only God can change anything and that mans fate is set from birth and is unalterable.

She also is loved by everyone else/new she meets (Including the convicted prisoners and Syberia who all instantly love her and idolize her, and Raskolnikov).

I might be wrong since it seems that she may not be "bad" enough to be a true mary sue, and I might be biased due to her annoying blind moronic divine faith and Deus ex machina ending (Which leaves her rich and able to easily care for her foster siblings) which does have "God" take care of her despite her relative inactivity and blind faith

I think you'll find that many novel leads are Mary Sues, particularly from the early twentieth century and earlier (most of them detectives, interestingly enough). Sherlock Holmes, Nancy Drew, etc... for examples.