HARTWELL: The Hartwell Family. Account of the descendants of William Hartwell of Concord, Massachusetts, 1636-1895. 1895By L. W. Densmore This is an account of the Hartwell family, presenting the descendants of William Hartwell of Concord, Massachusetts, from the years 1636 1895. A look at their early history is seen dating back to 1066. Most of the early settlers of New England were members of the sturdy yeomanry of England, the men who, on sea and land, in the field and shop, the camp, endured substantial triumphs of history, and who stood among the foremost in the