How To Write A Confirmation Letter Catholic Atheist . Make your testimony tangible and relevant so others can relate to it. Everyone’s will be different, as each of you have had a different experience. 7+ Sample Confirmation Letters DOC Sample Templates from www.sampletemplates.com And now i’m going to see you become a full adult member of the catholic church. For young catholics, this typically occurs in early adolescence. Perhaps use examples from what you learned and experienced in your course (class) sessions, meetings with your sponsor, service opportunities, etc.)