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About Our Parish

Capital Campaign - Maintenance to Mission

Capital Campaign Documents
English Videos

Capital Campaign Video - Maintenance to Mission - Introduction

Our History


The true beginning of Catholic life in Round Rock has its roots in the Hispanic emigration. Hispanics came to Round Rock and McNeil in the beginning of the 20th century to work principally in the limestone quarries. David L. Carlin, who researched the early community wrote, "The lime plant in Round Rock has aided the settlement of the Mexican-Americans in Round Rock, more than any other factor."

Bulletins, Media, and Publications

To view the printable PDF files, you will need Adobe Acrobat Reader. Visit the Bulletin, Media, and Publications page for documents and more.


Employment Opportunities

The following positions are open at Saint William Catholic Church. Click on the job title to see more information on the posting.


New Parishioners


Thank you for choosing Saint William as your spiritual home.

Welcome to the parish of Saint William! We are honored and blessed that you have chosen Saint William as your parish and spiritual home.