James Hubbard, b. 12 Jul 1833 in Salisbury, Litchfield County, Connecticut, d. 21 Dec 1886 in Washington, District of Columbia, son of Alexander Hubbard & Mandane Van Deusen. He married Marian Perry on June 19, 1871 in Connecticut.
John Hubbard, Jr., b. 22 Mar 1794 in Readfield, Kennebec County, Massachusetts (now Maine), d. 6 Feb 1869 in Hallowell, Kennebec County, Maine, son of John Hubbard & Olive Wilson. He married Sarah Hodge Barrett on July 12, 1825 in Dresden, Lincoln County, Maine.
John Putnam Hubbard, b. 27 Oct 1820 in Chesterfield, Cheshire County, New Hampshire, d. 5 Aug 1892 in Boscawen, Merrimack County, New Hampshire, son of Oliver Hubbard & Sophia Putnam. He married Mary Jane Franklin (1st wife) on July 4, 1850. He married Martha A. Knapp (2nd wife) on June 22, 1860.
John Woodbury Hubbard, b. Oct 1849 in Onondaga, Onondaga County, New York, d. 24 Apr 1910 in Auburn, Cayuga County, New York, son of Darius Hubbard & Ursilla Unknown. He married Sarah E. Elliott in 1877 in New York.
Joseph A. Hubbard, b. 1833 in New Hampshire, d. 2 Jul 1863 in Gettysburg, Adams County, Pennsylvania, son of James T. Hubbard & Sophia Wheeler. He married Julia A. Woodman on December 10, 1853 in Lawrence, Essex County, Massachusetts.