The famous person Edgar Walter Largilliere Sr. is associated with one of more of the Caribou County historic places.
Some of the country's most noteable architects helped create the Caribou County places including Frederick W. Lander, Pregram. George H., C.K. Bocker, Sam Gagon and C.K. Blocker. Prominent architectural styles found in Caribou Country are Classical Revival, Early Commercial and Greek Revival.