Walter Bradley was born in 1840 in Salisbury, VT. He enlisted on February 2, 1864. Bradley mustered in on April 12, 1864, as a Corporal in Company H of the 17th Vermont Infantry. He mustered out on March 18, 1865 to New Haven, Connecticut.
Walter Bradley applied for a pension on October 23, 1865, but it was not approved. He died on March 16, 1866. He died less than one year after mustering out.