Definition of "Mercy"

Mr Pecksniff was a moral man — a grave man, a man of noble sentiments and speech — and he had had her christened Mercy. Mercy! oh, what a charming name for such a pure–souled Being as the youngest Miss Pecksniff! Her sister’s name was Charity. There was a good thing! Mercy and Charity!

1842 December – 1844 July, Charles Dickens, chapter 2, in The Life and Adventures of Martin Chuzzlewit, London: Chapman and Hall, […], published 1844