Common- law marriage has different meanings in different countries. Assuming you mean in the United States, common-law marriage can be contracted in eight states and the District of Columbia.
There is no such thing as "common-law divorce" in the United States — that is, a married couple cannot terminate a common-law marriage as easily as they got into one. Only the contract of the marriage is irregular; everything else about the marriage is the same as a regularly licensed and solemnized marriage. Divorce or dissolution of marriage requires filing a petition for divorce or dissolution in the appropriate court in their state.
Being said that, I will say that Mason's filing status is MARRIED. As long as he doesn't file a petition for divorce or dissolution