I was looking for Asa/Ace Orrand/Orren too and ran onto your query. I had found Asa Orrand in my file, but he and his family weren't attached to anybody and I don't know how they got there. I'd seen him and his family in the 1850 and 1870 Wilson Co. TN censuses and was surprised when I found this person in my family files.
Have you found out his parents yet? Can you give me a list of Asa Orren's children? One more question on this: I show, without source, that he married Margaret Peggy Baker. You say he married Margaret Miller, so I'm wondering if you could set me straight on this. (I did notice a 6-yr-old Margaret Baker in his 1870 household.)
I do have your ancestors, Josiah Shelton and Elizabeth Orren, Elizabeth descending from the first Orren/Orrand I know about, John, who married Peggy Lintor, whose name I believe to be Linder. But that's another story. Elinore