I am also researching Oliver Farman Bates who married Lydia Durkee. Their daughter Betsy is my grt-grt-grandmother. While records always give Betsy's BP as Canada, I have never been able to find a record of her birth. All records for the children I have identified, give the parents as Oliver or Farman or Heman Bates and the mother as Lydia Durkee. Found a marriage record for Lydia and Oliver and it lists them both as under age. No parents listed.