Write a long, nasty, mean-spirited letter to explain everything that they dislike about the church and articulate their own self-pity at length. Customizing your Leaving a Church Letter is easy with Jotform Sign.What is a gracious way to leave the church? We love each of you so much, and are very sad to say goodbye. We have grown so much during our time here. Dear Chairman Board of Elders,. I am writing to withdraw my membership from Grace Community Church. If you enjoy worshipping at St. Michael Church, join our Parish. Family. Please fill out the form below and drop it in the Offertory basket. It was Friday, August 23, 1991.