This affidavit documents the cohabitation of two individuals for over ten years without being legally married. The purpose of this affidavit is to attest to the truth of their unmarried cohabitation for legal purposes.The Absentee Affidavit is to be completed if an applicant is unable to appear personally before the County Clerk to apply for a marriage license. An Affidavit of Cohabitation is used if a couple wants to prove that they are living together as spouses for a certain period. Edit, sign, and share affidavit of cohabitation online. No need to install software, just go to DocHub, and sign up instantly and for free. Much confusion surrounds the need to submit I751 affidavits and how to write them. We explain and provide an I-751 affidavit sample. Many forms in Texas are not available in a fill-in-the-blank format. They can help you understand the legal requirements, complete the affidavit correctly, and ensure your rights are protected.