Yes. Members of the Church of Jesus Christ of Latter-day Saints (the "Mormon" church) are Christian but are not Catholic, Orthodox, or Protestant Christians. They believe that Jesus Christ is the Savior and Redeemer, They worship Him, they read The Bible and try to follow it's teachings, but they do not believe in the creeds (Apostle's Creed, Nicene Creed, etc) that other Christians adhere to.
You can learn more about Mormon beliefs at the "Related Link" below.
Mormanism
mormanism
no. Joseph Smith was the founder of mormanism.
Orthodox Christianity.
orthodox Christianity
Marie's faith is Mormanism and yes when she was a baby she was christened.
Eastern Orthodoxy is one form of Christianity. Some more may be Roman Catholicism or Protestantism.
Orthodox Christianity.
Ethiopia
Christianity, but not neccessarily catholicism, which was the first form of Christianity
Orthodox Christianity
Christianity - and the particular denomination is Catholicism