Hi Lisa, I do not have much on Olivers or Ketchums, but I would like to know more about both families. I have a John Oliver, born ca 1680, who married Tryntje Boorsboom. She was the d/o Pieter Jacobse Borsboom. I also have a Phebe Ketchum who married Nanning Visscher about 1830. She was born 7 Sep 1807 in Saratoga County, NY. Richard From the Shores of Grand Traverse Bay