The best thing to do is to explain the reasons for leaving so that the church is not hurt or mystified as to why you are leaving. We love each of you so much, and are very sad to say goodbye.We have grown so much during our time here. Keep your former church in your prayers and speak well of it. Maybe you are thinking about leaving the one you are currently at? Maybe you just left a church and are "shopping" for just the right church? Dear Chairman Board of Elders,. I am writing to withdraw my membership from Grace Community Church. Create and write an official letter to announce your departure from a church. Download finished copies as PDFs.