Sentence:  Mr Pecksniff was a moral man — a grave man, a man of noble sentiments and speech — and he had had her christened <WSD>Mercy</WSD>. <WSD>Mercy</WSD>! 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! <WSD>Mercy</WSD> and Charity! 
Meaning of the word marked with <WSD> tags:  (from=English), one of the less common Puritan virtue names.