Welcome! If you have not been active in the parish for a while, your membership may have lapsed. To register online to join St. Theresa Parish in Austin, click Here If you prefer to register on paper, please download the registration form, fill it out, scan it and email it to Geneva Moore atgeneva@st-theresa.org. Or, you can mail or deliver the form to the parish office at 4311 Small Drive, Austin, TX 78731. Welcome to St. Theresa!