http://www.geocities.com/txsynvr/Brenham/brencem.html has burial citations. [August 2005]
B'nai Abraham Cemetery: {10396} at end of University Dr., 1873, B'nai Abraham Synagogue
[UPDATE] As Small Jewish Communities Across Texas Disappear, Austin's Keeps Growing: Relocation of synagogue to Austin [January 2017]