IHLSENG - Tordenskjold
IKE - St. Olaf
ILANG - Dane Prairie
ILSAAS - Oscar
IMMONEN - Butler
IMSANDE - Deer Creek
INGALLS - St. Olaf
INGEBRETSEN - Dane Prairie, Leaf Mountain
INGEBRETSON - Aastad, Trondjem
INGEBRIGTSEN - Sverdrup
INGEBRITSEN - Clitherall
INGIBRITSON - Aurdal
INMAN - Inman
IRELAND - Eastern
IRISH - Pelican
IRONS - Oak Valley
ISAACSON - Deer Creek, Oscar
IVERSEN - Nidaros
IVERSON - Buse, Elmo, Henning, Leaf Mountain, St. Elmo, St. Olaf, Western