My son is a Canadian citizen by descent -- because I was born in Canada. Applying for his U.S. passport was relatively easy. But when it came to his Canadian passport, my first attempt at his application was denied. See why. Plus, how to apply for a Canadian passport for a child while living in the U.S.My son is a Canadian citizen by descent -- because I was born in Canada. Applying for his U.S. passport was relatively easy. But when it came to his Canadian passport, my first attempt at his application was denied. See why. Plus, how to apply for a Canadian passport for a child while living in the U.S.