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St. William Catholic Church
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  • Welcome
      • New Parishioners
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      • Confession Times
      • Adoration Times
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      • Relic of St. John Paul II
      • Eucharistic Revival
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    • Special Liturgies
      • Quinceañeras
    • Sacraments
      • Baptism
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      • Holy Eucharist
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      • Matrimony
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    Adoration
    • Perpetual Eucharistic Adoration

      Sacred Heart and Adoration Chapel are open daily for prayer from 7 am - 9 pm. If you would like to become a scheduled adorer, please contact the Adoration Ministry.

    Mass Schedule
    • Mass schedule

       


      The Saint William community fosters the unity of our large family in Christ, while appreciating and celebrating the diversity of our members.

      Here parishioners can participate in the liturgy in English, Spanish, or bi-lingual format. View Mass times >>

    Participate
    • Parishioners have many options for volunteering in our prayer and worship ministries.  The parish itself depends upon those who pray and offer sacrifices for it, and on those who enrich it through various celebrations of the liturgy and feast days throughout the year. 

      Ready to get involved? Take the next step >>

  • Saint William will be holding a Liturgy Summit on the morning of Saturday, September 24, 2022. It will be a time for the community to come together. Fr. Francisco will share his vision, there will be time for prayer, and training will be offered for all who participate in the many parts of liturgy or are interested in learning more.

    We invite and encourage you to take part and serve in our liturgical ministries. The beautiful liturgies that take place at Saint William are enhanced by the participation of our volunteers.
      • View Liturgy Summit schedule >>
St. William Catholic Church
620 Round Rock West Drive, Round Rock TX 78681
office@st-william.org
512-255-4473

Office Hours
Monday-Thursday: 9:00 am - 7:00 pm
Friday 9:00 am - 6:00 pm
Sunday: 8:30 am - 4:30 pm
Wednesday Hours: 9:00 am – 12:00 pm (Closed 12:00 pm – 1:00 pm Staff attends Mass together) 1:00 pm – 7:00 pm
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