This was copied from the Dallas County website - my apologies selecting only a part of their disclaimer. Donl Ostensibly, all records available at the county level are available at the state level. In practice, anecdotal evidence suggests the county may have more comprehensive records. The county does not have authority to maintain the following records: Single-parent births prior to July 1, 1995 Adoptions Any record ordered seal by a court of law Birth, death, and marriage records between the years 1921 to 1941