Robert Barton Dickson (Philadelphia)

I've been searching fruitlessly for the parents of Robert Barton Dickson, born 1830 in Philadelphia, died 1900 in Philadelphia. He married a Harriet Jane Robinson (b. 1837 in Delaware).

For more, go to my info page for him:

http://www.eorlingas.org/ancestry/getperson.php?personID=I957&t...

It would make my entire year if I could learn who his parents were!