Ansel Lyman Harper was born on March 26, 1876 to William Hiram III and Hannah A. (Marshall) Harper in Seal Cove, Maine. Ansel married Annie May Butler (1878-1966), daughter of Andrew J. and Eleanor “Lena” (Shuman) Butler, on December 7, 1901 in Tremont, Maine. Ansel was a house painter in 1910. Ansel Lyman Harper died on August 18, 1952 in Seal Cove, Maine.
Ansel was the grandson of William Hiram Harper Jr. (1794-1858).