text: Hammond was born on April 4, 1833, in Grafton, Massachusetts, to Josiah and Anna Warren. One of his siblings, William Henry (1841–1908), followed him to Maine. He worked in Portland until his death, a few months after George, at the age of 67. His body was returned to the family's hometown of Grafton for interment.
  He received an honorary degree of Master of Arts degree from Bowdoin College in 1900.