My great-great-grandfather was Peter Kettoman/Ketterman born in 1815 in the same area. He married Anna Lady. What I found strange was that their tombstone from the 1880's at Flohrs Lutheran Church in McNightstown (near Gettysburg), Adems County Pa.(created from York county in 1800) reads Peter Kettoman and Anna Ketterman.I use to think it was a mistake but now I believe differently. I was born and raised in York County Pa. I will keep my eye out for info on Michael. I occasionally search around that area and time frame. I'm stuck on finding my Peters parents.