Shelby,
According to David Hough Ela's "Genealogy of the Ela Family",published 1896: Richard E. b. 8/2/1841 m. 12/20/1871 Mary Gray. Richard graduated Dartmouth College and was civil engineer in KC. Parents resided in Lebanon NH. His parents John Ela b. 7/6/1802 Hartford VT, m. Julia Demarry 1827. John and Julia had the following children: Cynthia A, b. 1828; John H, b. 1829 removed to Wisconsin; George W, b. 1831;Abbie E, b. 1833;Charles N, b. 1836 served Union Army; Benjamin, b. 1838; William H, b. 1843; Albert B, b. 1845.
Line traces to Israel Ela, emigrant to Haverhill MA.
If you're near either NEHGS in Boston or Sutro library in San Francisco I believe both have a copy of this book.