Mount Rainier
The current name was given by George Vancouver who named it after his friend, Rear Admiral Peter Rainier. The map from Lewis and Clark's expedition in 1804-1806 called it "Mt. Regniere" even though Rainier had been the official name of the mountain. Theodore Winthrop in a travel book published after he died called the mountain Tacoma and for many years the two names were commonly used to refer to the mountain. Mount Tacoma was the preferred name in the nearby city of Tacoma.