I know that some of the Gouchers went from New York to Michigan - Convis in Calhoun County MIchigan to be exact. They were there in the 1880's for sure. I have a copy of my great Aunt Melissa Buckingham's autograph book. Her mother was Cornelia Goucher Buckingham , daughter or Orman Goucher and Melissa Beach. So far I haven't noted in what family history I have, anyone named Elmira. I do havean Amanda Goucher however.
If I find anything in my meanderings, I will be happy to let you know.