This Nellis is an illusive one! I think this is he: William H. NELLIS (John Alexander1). Born on 11 Jun 1843 in Pennsylvania. On the federal census in 1870 in Madison Twp., Polk Co., IA. William 26 PA, Carry 18 IA, and William C. 1year IA. No occupation listed. This may have been the young William NELLIS bumming around Allegeny Co., in 1860 without a family.He was enumerated twice that year as an apprentice bricklayer. William may have been a warden at San Quentin prison for several years.He married Caroline McCOY, on 20 Apr 1868 in Johnson Co., IA. Born in 1852 in Iowa. They had the following children:
i. William C. NELLIS. Born 1869 in Iowa. On the federal census in 1900 in San Fransisco, San Fransisco Co., CA. Living alone. Died on 2 Mar 1922 in Santa Cruz, Santa Cruz Co.,. Military service: Civil War, D11 Iowa, Infantry. Pension Invalid Application # 1337349 Cert #113709. Military: Enlisted 17 Sep 1861in Civil War, mustered, 3 Oct 1862, re-enlisted, mustered, 1 Jan 1864; MIA 22 Jul 1864, near Atlanta, GA; Returned from MIA 29 Sep 1864. Mustered out, Jul 1865, at Vicksburg, MS. Listed as a POW at Andersonville, captured 22 Jul 1864 at Atlanta, GA (Code #47382).
ii. WHN and CMcCmay have had a sonArthur C. of the 1880 IA census, Arthur was living in Montana in 1920