Do you want new ways to welcome members into your church? Check out these top church membership welcome letter templates and best practices.Church Membership Letter Templates - Membership Transfer Letter, business meetings, etc. A letter of invitation includes an explicit invitation to join the church as an official member. How do I write a letter asking for church support in completing my school fees of 129,000? Here is a sample letter you can use as a guide:. Customize and Download this "Church Membership Letter". The letters reflect ongoing communications within the church, especially from the church members in Ohio to the church members in Missouri. Through the years the new church has struggled along with never more than twenty members. The plaintiff has conducted weekly services to the present.