I am trying to establish a link between my ggg-grandfather Thomas B. Duty (b abt 1820) to a couple named Daniel and Mary Ann Duty, both born around 1788. It appeared Thomas B. owned property adjacent to them. They may be his parents, or just an aunt and uncle!
Thomas B. Duty married Emily Tatman and lived in Platte Co, MO in the 1850s. It appears he was married to Emily at the time he lived next door to Daniel and Mary Ann.
There was a Mary Ann Helm that married a Daniel Duty in Fredricksburg, VA that is the right age to be the same person.
Lastly, I've seen reference to a person named Daniel Littleton Duty who could be the same Daniel. I've also seen references to Thomas B.'s daughter being named Martha Littleon Duty. Her middle initial "L." is confirmed in a number of times in census data.