Mary Ann Lamb was born on 3 December 1764 in London, into a family whose modest respectability, intellectual curiosity, and later misfortunes would shape her entire life. She died on 20 May 1847, having survived nearly a decade beyond her beloved younger brother and lifelong collaborator, Charles Lamb. To many generations she was known principally as “Charles Lamb’s sister,” the anonymous or partially hidden partner…
“Do not, I conjure you, let her unhappy malady afflict you too deeply. I speak from experience and from the opportunity I have had of much observation in such cases that insane people, in the fancies they take into their heads, do not feel as one in a sane state of mind would feel under similar fancies.”