What do christians think of ginger haired people?

Pretty sure there are ginger haired Christians, too.

In Olden Days many hundreds of thousands were killed by the inquisition, as it was believed that they were possessed by devils, and that their mothers had impure thoughts during pregnancy.

It is a fact that scientists cannot trace where the ginger gene came from, it is not a natural part of the DNA of either black or white people, or orientals.

Having been ginger (once upon a time), I think quite highly of my gingers.

More to your question:

Christians don't think anything special or different of gingers as any other hair color.

It is a sin to be prejudiced against redheads.

God does not judge a person by there appearance: "For the way man sees is not the way God sees, because mere man sees what appears to the eyes, but Jehovah sees into the heart." (1 Samuel 16:7)

So a person having ginger hair doesn't really mean anything.