Esther Waters

Quoting Wikipedia: "Set in England from the early 1870s onward, the novel is about a young, pious woman from a poor working class family who, while working as a kitchen maid, is seduced by another employee, becomes pregnant, is deserted by her lover, and against all odds decides to raise her child as a single mother. Esther Waters is one of a group of Victorian novels that depict the life of a "fallen woman"."