Oliver Cromwell Hartley was an influential American lawyer and public servant in 19th-century Texas. Born in Galveston, he made significant contributions to the legal framework of the state during his tenure as the reporter for the Texas Supreme Court from 1846 until his untimely death in 1859. Hartley's most notable achievement was the publication of "A Digest of the Laws of Texas" in 1850, which served as the first comprehensive codification of state laws, laying a foundation for future legal practices in Texas. In addition to his legal work, Hartley was active in politics, serving in the Texas state House of Representatives in the early 1850s. His legacy endures not only through his contributions to Texas law but also through Hartley County, which was named in honor of him and his brother, Rufus K. Hartley. Despite his relatively short life, Hartley's impact on the legal landscape of Texas remains significant, marking him as a key figure in the state's early governance and legal history.