In order for someone to help you, more information might be needed.
Do either of these individuals have WikiTree IDs?
There is a Reuben listed b. 1840 has no spouse noted and a Margaret b. 1920 but that is certainly an unlikely couple! Is either of these people an ancestor you are looking for?
If neither is a match, you should add any of the following that you might know:
Location: Country > Province/Region/State/County > City, town of b, m, d.
Dates or approximate dates of birth, marriage, death.
Names of parents, siblings, children.