State of New York Title No. ss: County of ______. I also swear or affirm that this affidavit is being made for the sole purpose of obtaining the record of marriage for the purpose stated above and that.A Marriage Affidavit is a sworn statement affirming the date and validity of a marriage. Use our I130 affidavit sample and tips to create a strong affidavit for your spouse. Include these key points and avoid common mistakes.