Mormons like their religion because they have strong faith in the beliefs and standards their religion practices. For more information see Mormon.org
They are LDS ( mormons )
The Mormons were hoping to find the freedom to practice their religion in peace and without persecution.
The Mormons were searching for a place where they could practice their religion in peace and found that place in Utah.
Christianity
Mormons or LDS
If they don't like Mormons, you would probably call them "bigots". If they don't like the teachings of the Mormon religion, you would call them 'Anti-Mormons'.
Mormons(Church of Jesus Christ of Later Day Saints).
I believe you are thinking of the Mormons, not the Morgans. JP Morgan is a bank.
Well, the Whitmans are a family, and the Mormons are a religion, so they can't really be compared. I know Whitmans who are Mormon, though.
Read about Mormons to find your answer. Its roots can be discovered as it is relatively young. Also read about Martin Luther and John Calvin and the Protestant Reformation, also known as the Protestant Revolt.
d. Mormons