Sylvanus Keeler Patterson was born 22 May 1804 in Ontario, Canada to William Patterson (1779-1810) and Huldah Keeler (1786-1849) and died 30 January 1889 Hammond, St. Croix County, Wisconsin, United States of America of unspecified causes. He married Caroline M Cooper (1817-1863) 11 January 1827 in Yonge, Leeds, Ontario, Canada.
Children
| Name | Birth | Death | Joined with |
| Almond Hartwell Patterson (1828-1907) | |||
| Melvin H Patterson (1832-) | |||
| Sarah A Patterson (1834-1871) | |||
| Seraphina A Patterson (1834-1905) | |||
| Sophia Adelia Patterson (1837-1922) | |||
| Lucinda L Patterson (1842-1900) | |||
| Ralph Wellington Patterson (1842-1939) | 1842 Madison, Dane County, Wisconsin, United States of America | 22 August 1939 Glasgow, Valley County, Montana, United States of America | Martha Elizabeth Egbert (1858-1951) |
| Hulda Elizabeth Patterson (1846-1901) | |||
Siblings
| Name | Birth | Death | Joined with |
| Sylvanus Keeler Patterson (1804-1889) | 22 May 1804 Ontario, Canada | 30 January 1889 Hammond, St. Croix County, Wisconsin, United States of America | Caroline M Cooper (1817-1863) |