A surname may occur more than once in a document, use the FIND function to make sure you find all occurrences.

N
Nangle
Nares
Nash
Nelms 1 2
Nelson 1 2 3 4
Nestlehut
Netherland 1
Neville
Newell
Newman 1
Newton
Nichols 1 2
Nielson
Nininger
Noble
Norman 1
North
Northen
Norton
Nowlin
Nunan
Nurse
Nuttall
O
Ogden
Ogdon
Ogle
Oglesby
Oliver
Olmstead
Orr 1
Osborn
Otey
Owens
Ozier