Born at Berwick Bay, Louisiana, October 7, 1807, Luke O. Bryan came to Texas with his parents in 1834 and settled in Liberty Municipality. On March 6, 1836, he was mustered into the service of the Texian army at Liberty for a four month stint. He was first assigned as Second Lieutenant in Captain S.C. Hirom's company of Liberty Volunteers before transferring to Captain William Logan's Company, with whom he fought at San Jacinto. He re-enlisted on July 7, a few days after his initial term expired, as First Lieutenant in Captain Franklin Hardin's company until October 7, 1836, when he left the service permanently. He died October 7, 1869, and was buried in the Bryan family cemetery near Liberty.