Seriously????
It was a trail, and Mormons traveled on it, and they were pioneers.
The Oregon Trail. Santa Fe Trail, Mormon Pioneer Trail, California Trail
Mormon trail
The Mormon pioneers took the Mormon Pioneer Trail to Utah.
Early pioneers did not but later ones 1870's and on usually did.
Because the Mormon Pioneers traveled on it.
The Mormon Trail got it's name because it was used by tens of thousands of Mormon pioneers travelling west to find religious freedom.
The Mormons, the religious group that made and traveled the trail.
That would be a "pioneer".
Oregon does.
the calfornia trail
Henry Heath - Mormon pioneer - was born in 1828.
The Pioneer Trail happened in 2010.