Are you sure they stayed in NY?
I have a Fuhrman too, but he was in the mid-west
SD WI, Kansas area(not home so I can't look up exact location) but do have it in my notes.
Associated names to my Fuhrman in US were
Wiltfang, Angerhofer, Zerr, Nelson, ODonnell(yes irish od)
Let me know if I can help
Barbara