Both people must jointly complete a marriage license application form. You will be asked to provide the start and end dates of any previous marriages.Sworn Statement of True Name and Pseudonym. Financial Affidavit - a sworn statement that contains information regarding your income, expenses, assets, and liabilities. Apply for a Marriage License. The application must be made in the municipality in which either applicant resides. After completing this form, you should sign the form. You should then file this document with the clerk of the circuit court in the county where the petition.