According to Wikipedia, "Common-law marriage [in Texas] is known as an "informal marriage", which can be established either by declaration (registering at the county courthouse without having a ceremony)[13], or by meeting a 3-prong test showing evidence of (1) an agreement to be married; (2) cohabitation in Texas; and (3) representation to others that the parties are married. In the actual wording of the law there is no specification on the length of time that a couple must cohabitate to meet the second requirement of the 3-prong test. Under Texas law there is no required period of time of cohabitation and an informal marriage can occur if the couple lives together one day if the other elements, (an agreement to be married and holding out as married to the public) have also occurred. Likewise a couple can live together for 50 years and if they never have an agreement to be married, or hold themselves out to the public as married, their 50 year cohabitation will not make them informally married. If a couple does not commence a proceeding to prove their relationship was a marriage within two years of the end of their cohabitation and relationship there is a legal presumption that they were never informally married, but this presumption is rebuttable. In other words, even after two years a party to the relationship, or another interested party such as their estate, can seek to establish the marriage if they can overcome the presumption. Because this rule is only a presumption, and not a statute of limitations, a person in Texas that could be informally married should always go through a divorce proceeding when the relationship ceases or face possible serious legal repercussions."
http://en.wikipedia.org/wiki/Common-law_marriage_in_the_U...