The following data is extracted from Hinsdale, Cheshire County, New Hampshire History.
Willard Martin, born in Rehoboth, Mass., March 6, 1786, married Lucretia Houghton, in 1810, and died in Hinsdale, October 14, 1849. Mr. Martin was long known as one of the leading merchants of Guilford, Vt., where he was distinguished as one of the principal citizens, and for many years received almost the universal suffrage of the town as representative in the state legislature. Mrs. Martin died August 17, 1847. Dr. Oscar Martin, their eldest son, was born March 9, 1815. He married Susan George Sartle, November 27, 1839, and had born to him one child, which died in infancy. Mrs. Martin died April 20, 1844. For his second wife Dr. Martin married Caroline Elizabeth Stoddard, January 4, 1846, by whom he has two children. He graduated at the Eclectic Medical School, of Montpelier, Vt., and commenced practice there, then went to Brattleboro, where he remained about five years, and then came to Hinsdale, where he has resided the past forty years. He practiced medicine here from twelve to fifteen years, when he engaged in mercantile pursuits, occasionally practicing. The past ten or twelve years, however, he has entirely relinquished practice and is engaged in the manufacture of his celebrated proprietary medicines, " Dr. Martin's Great Pain Cure of the Age," and " Vegetable Elixir."
Source: Hinsdale, Cheshire County, New Hampshire History