Henry David Thoreau was born on July 12, 1817, in Concord, Massachusetts. He would live the majority of his life in that same town and die there in 1862. His father, a pencil manufacturer named John Thoreau, and mother Cynthia Dunbar Thoreau christened him David Henry but always called him Henry. As an adult, Thoreau began to give his name as Henry David but never had it legally changed.
The Thoreaus had three other children in addition to Henry - Helen, five years older than Henry, John, Jr., two years older, and Sophia, two years younger. In 1821, the family moved to Boston, where they lived until 1823, when they returned to Concord. Thoreau later recalled a visit the family made to...