O Brien, Lydia (1)	O'Brien (2)	O'Donnel, George (1)
	O'Hair (4)	O'Hare (2)	O'Stram, Emma Jane (1)
	O'Strom, Joseph (1)	Oak, Live (1)	Offord (22)
	Ogden, William (1)	Olds (2)	Oliphant (3)
	Omrod (2)	Orcutt, David (1)	Osborn (9)
	Ostrander (4)	Ostrom (4)	Ould (4)
	Outhout (2)	Owen (5)	O___, Samuel (1)
Total names=73