Henry Arnold was born 7 June 1847 in Ozark, Franklin County, Arkansas, United States to William Arnold (1824-1880) and Elizabeth Hale (1825-1871) and died 9 August 1918 Van Buren, Crawford County, Arkansas, United States of unspecified causes. He married Sarah Isabella Young (1849-1925) 30 July 1867 in Franklin County, Arkansas.
Children
| Name | Birth | Death | Joined with |
| Caroline Arnold (1867-1940) | |||
| Sarah Arnold (1868-1940) | |||
| Paralee Arnold (1871-1920) | |||
| Bill Arnold (1872-) | |||
| Henry Calvin Arnold (1873-1959) | |||
| William Dee Arnold (1874-1958) | |||
| Calvin Arnold (1875-) | |||
| Thomas Arnold (1878-1955) | |||
| Christopher Columbus Arnold (1883-1923) | 1 March 1883 Crawford County, Arkansas, United States | 2 December 1923 Leflore, Le Flore County, Oklahoma, United States | Mattie Jane Ellis Pollock (1883-1920) Cora Mae Callahan (1896-1944) |
| William Lloyd Arnold (1886-1924) | |||
Siblings