Hallettsvillebr/Lavaca County, Texasbr/29 26.511' N 96 56.285' Wbr/Directions: Start at the intersection of Edna Street and Dowling Street. The marker is on the northeast corner of the intersection.br/ br/Text: Named for Mrs. Margaret Hallett, widow of John Hallett, a member of Austin's colony and a veteran of San Jacinto, who donated the town site.