A church membership form is a document that contains a record of church members and their information. The Detailed Church Membership Form template facilitates comprehensive collection of member information, seamlessly integrating submissions .CMTC – Membership Application Form. Download. CMTC – Member Details Update Form. Download. The Church Membership Form Template from Formsite is an easy way to let new members sign up online. Perfect for use in any religious organization. To access the template, click the link in the header above or the image below this paragraph. The form is fully customizable. Use this handy church membership form to quickly collect personal details such as name, address, and past church memberships. Please use the following steps to determine whether you need to fill out a call slip in the Prints and Photographs Reading Room to view the original item(s).