If you didn't know, Mark Twain's real name was Samuel Clemens. Authors usually give themselves pennames. So do famous people.
His parents' names were John Marshall (father) and Jane Moffit Clemens (mother)
When he lived in Elmira, NY, the name of his house was Quarry Farm.
Mark Twains Father name was Samuel Clemons also.
his wife was named Olivia Langdon
Mark Twain's House and Museum in Hartford Connecticut
Historic Tour of the Mark Twain Museum in Hannibal
Mark Twain Historic Tour at Hannibal, New York
Mark Twain's Childhood Memories