Effective September 1, 2024 the Dallas County Clerks office will no longer require appointments for marriage license. Walk-ins are welcome!Apostille Texas can authenticate, legalize, and apostille single status affidavit forms and affidavit of single status USA for any country in the world. I am above the age of eighteen years, and I am fully competent to make this affidavit. I solemnly swear or affirm that the information I have given in this affidavit is true and correct. 'Affidavit Of Marriage Forms and Templates Fillable. Fillable Affidavit Of Marriage. How Do You Write an Affidavit of Marriage? An affidavit of marriage is a legal document and a sworn statement submitted to the court or another institution, to verify that two people are married. Print court information exactly as it appears on the Original Petition for Divorce.