Mary Ann Johnson was born 24 August 1836 in Haverhill, Essex County, Massachusetts to Theodore Johnson (1799-1867) and Marta Ann Bailey (1814-) and died 14 August 1906 Salt Lake City, Salt Lake County, Utah of unspecified causes. She married Truman Osborn Angell (1810-1887) 17 June 1855 in Salt Lake City, Salt Lake County, Utah.
Children
| Name | Birth | Death | Joined with |
| Theodore Johnson Angell (1857-1918) | |||
| Mary Ann Angell (1859-1928) | |||
| George Washington Angell (1860-1911) | |||
| Franklin Darius Angell (1865-1867) | |||
| Lewis Albert Angell (1868-1910) | |||
| William Willard Angell (1871-1954) | |||
| Hyrum James Angell (1874-1886) | |||
| Oscar LeRoy Angell (1881-1883) | |||
Siblings
| Name | Birth | Death | Joined with |
| Mary Ann Johnson (1836-1906) | 24 August 1836 Haverhill, Essex County, Massachusetts | 14 August 1906 Salt Lake City, Salt Lake County, Utah | Truman Osborn Angell (1810-1887) |
| Adaline Johnson (1838-1838) | |||
| Felinda Johnson (1839-) | |||
| Lucy Hardy Johnson (1841-1850) | |||
| Felinda Johnson (1843-) | |||
| Margaret Johnson (1845-) | |||