Now Known as Old D'Hanis. Established in 1847 by 29 families under the leadership of Theodore Gentilz, representing Henri Castro (1781...1861), distinguished pioneer and colonizer of Texas who introduced the early settlers of Medina County. Named in honor of Guillaume (William) D'Hanis, manager of the colonization society. When the Southern Pacific Railroad missed the town, its citizens moved to the present D'Hanis. Erected by The State of Texas 1936