Just write the facts of why you're leaving and ask them to not try to get you to change your mind. Customizing your Leaving a Church Letter is easy with Jotform Sign.Entering into, engaging with, and departing from Christ's local body is a significant part of following Jesus. Share honestly but graciously why your family chose to leave and why you are excited about becoming part of this new church family. A church resignation letter is a formal written notice announcing the intention to leave a position with a religious organization. If people are gracious enough to let me know they are leaving, I write them a letter and thank them for their attendance and past service.