slideshow 1 slideshow 2 slideshow 3

Capital Campaign Videos

Capital Campaig Videos

Mass Intentions - Intenciones de Misa

  • Mass Intentions–2015 Mass Book Open—Starting Monday, November 17
  • Intenciones de Misa –Libro del 2015 Abre—Empezando, 17 de noviembre

Confession Marathon

Event Date: 
Mon, 12/22/2014 - 13:00

Looking for alternate times to come to reconciliation before Christmas?

In addition to the regular reconciliation schedule, confessions will be heard at the:

  • Advent Penance Service on Wednesday, December 17 at 7 p.m.
  • and at the “Confession Marathon” on Monday, December 22, at 1 p.m. 

Church Decorating for Christmas

Event Date: 
Tue, 12/23/2014 - 13:00

All are invited to help decorate the church for Christmas.  We will be decorating the church on December 23 starting at 1pm.  This is a fun filled project for the whole family.  Meet in the narthex of the church after 12:15pm Mass.

For more information, please contact Tommy Sustaita at


Employment Opportunities


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


The Saint William Catholic Church accepts applications and resumes for current openings only. The procedures for applying for an opening will vary according to the job title. You will find specific instructions located within each job announcement on the list.


Listen to the latest homilies, Catholic speakers, concert recordings and other podcasts at Saint William.

Podcasts (current)
iTunes-English -ALL iTunes-Español

Eucharistic Adoration

Open your heart. Visit Our Lord. He is truely present in the Blessed Sacrament.  Adoration in the Sacred Heart Chapel, 24-hours-a-day, 7-days-a-week. For more information see Eucharistic Adoration under Spiritual Growth.

Share Your Time

Prayer is the beginning of stewardship, because we must be spiritually prepared if we are to use our gifts in God’s service. Can you pause to spend time with God in any of the following ways?

Suggested Ministries

Share Your Talent

Give and it shall be given to you…for the measure you measure with will be measured back to you – Luke 6:27-38

Use this guide to help you as you prayerfully consider how you would like to express your faith constantly in words and action.\

Suggested Ministries

  • Amazon will donate 0.5% of the price of your eligible AmazonSmile purchases to St William Catholic Church Round Rock Texas whenever you shop on AmazonSmile.
  • AmazonSmile is the same Amazon you know. Same products, same prices, same service.
  • Support your charitable organization by starting your shopping at