I doubt they would get along, Christians always preach and Atheists always say god is nonexistent. If Christians could stay away from the "I am going to change you" idea then maybe.

As an Atheist I would not go with anyone from any religion. We don't and no doubt will not have the same beliefs which … Read more

You cant just like unicorns and Santa - they are not real.

http://www.pyracantha.com/Z/zjc3.html

This is the basis for most of the religions we see today. From Jewish to Christianity and even Muslim. Have a read through, it is the religion which has been plundered for religious ideas by most of the worlds religions.