Write a long, nasty, mean-spirited letter to explain everything that they dislike about the church and articulate their own self-pity at length. Be honest, be upfront, and be loving and gentle.What are some wrong reasons for leaving the local congregation? I am writing to withdraw my membership from Grace Community Church. Keep your former church in your prayers and speak well of it. The official founding date of St. Louis Parish was August 30, 1963. What would it have been like to be one of the 663 young St. Louis families? Part II: The Modern Metropolis. The Creation of Metropolitan Dade County.