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St. Monica Catholic Church is located at:
9933 Midway Road
Dallas, Texas 75220

You can reach the church office at:
214-358-1453 (phone)
214-351-1887 (fax)

If you wish to reach St. Monica School, please contact them at:
214-351-5688 (phone)
214-352-2608 (fax)

Learn more about church staff and how to reach them below.


Profile image of Fr. Michael Guadagnoli

Fr. Michael Guadagnoli


Office: 214-358-1453 Extension: 7107

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Fr. Mark Garrett

Parochial Vicar

Office: 214-358-1453 x 7112

Faith Formation

Profile image of María Magdalena González-Rocha

María Magdalena González-Rocha

Director of Faith Formation

Office: 214-358-1453 Extension: 7131

I was born in Matanzas, Jalisco, Mexico. I have lived in the United States since I was 12-years old. I studied at the University of Texas in Arlington and received a Bachelor of Science in International Business. I obtained a Master of Theological Studies from the University of Dallas. I love spending quality time with my husband, reading, cycling and traveling. I have been at St. Monica for more than 16 years! It is a blessing to serve this joyful and interactive community of faith. I look forward to serve and walk together with you in this journey of faith!

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Eldie Diaz

Administrative Assistant to the Office of Faith Formation

Office: 214-358-1453 Extension: 7549

I was born and raised here in our great city of Dallas, but my family roots are in El Salvador. I volunteered here for about four years before I became the Administrative Assistant to the Office of Faith Formation. I have always loved St. Monica because of the many ministries that make it a great place to learn about our faith as well as live our faith. I love to spend my spare time with family and friends, and I like trying new things.

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Maria Jones

Children’s Faith Formation Director

Office: 214-358-1453 Extension 7132

I was born and raised in Michigan, and have been in Dallas for five years. I am married to a University of Dallas alum and we have two beautiful boys. I volunteered at St. Monica for a few years before I began working as the Coordinator of Youth Evangelization. I enjoy spending time with my family, classical music, spending time outdoors, hiking, and trying new food. It is a blessing and a joy to serve Christ here at St. Monica's. 


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Martha Gonzalez

Marriage Ministry Coordinator

Office: 214-366-7164

I was born in a small town in Zacatecas, Mexico. My family and I moved to Texas when I was six years old. St. Monica has been my parish since 1996 when the Misioneras Catequistas de los Pobres (Missionary Sisters from Monterrey, Mexico)  knocked at our door inviting us to partake in the new activities at St. Monica. I have been a volunteer in the different ministries ever since. When I am not at St. Monica I love to travel and have fun with my friends and family.  It is a joy to be part of the staff here in my second home. I am truly blessed to have the opportunity to serve my community.

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Patricia Vazquez

Director of Hispanic Ministries


I was born in Tampico, Tamaulipas, Mexico. My family and I have lived in Mexico, Brazil, and Spain. We moved in 2013 to the Dallas area. In Mexico, I received my undergraduate degree in Actuarial Science at Universidad Anahuac. In Madrid, at the CEF a Masters in Human Resources. I graduated in 2018 from the University of Dallas with a Masters in Pastoral Ministry – Hispanic concentration. I love to spend time with my family. I also enjoy reading and doing arts and crafts. It is a blessing to join the joyful and faithful St. Monica community.

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Gerardo Olivares

Director of Youth Faith Formation

Office: 214-358-1453 Ext: 7106

I was born in El Paso, Texas. I went to Wayland Baptist University for Vocal Music Education and have been a Public School Choral Director and teacher for the last 8 years prior to joining St. Monica as Director of Youth Faith Formation. I have lived in Dallas since 2014 and have been a part of St. Michael the Archangel since 2016. I have been active in Youth Ministry in many forms since the age of 15. Youth Ministry is truly my calling as I have spent much of my free time doing that. The youth of our Catholic Church are truly important, the training and forming and the enjoyment they must have is truly crucial for them! I have a traveling Music Ministry that helps parishes that do not have music teams available for their retreats. I am a huge Pro wrestling nerd, I attempt to work out when I can! I enjoy spending time with friends, my girlfriend of 3 years Anna, our cat Mosley, our dog Finn (named after pro wrestler Finn Balor), and watching movies. I am blessed and humbled to be here at St. Monica and look forward in the movement the youth will have not only for this parish or diocese but for the world. Please stop by and say Hi!

Music Ministry

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Conner McMains

Director of Music

Office: 214-358-1453 Extension: 7101

I was born and raised in Little Rock, Arkansas where I grew up as a parishioner of Christ the King Catholic Church, actively involved in the Music Ministry and Youth Ministry from an early age. I received my Bachelor of Arts in Music (Vocal Performance) at Hendrix College in Conway, AR, after which I moved to Arlington, TX. I completed my Master of Music degree in Orchestral Conducting in 2017 at the University of North Texas, studying with Maestro David Itkin and conducting various orchestral and choral ensembles. I have worked in church music for a variety of denominations since I was 11 and am thrilled to be a part of the vibrant, reputable music program here at St. Monica.

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Guillermo Martinez


I was born and raised in Texas City, Texas, and have called Fort Worth home since attending Texas Christian University, where I earned my Bachelors and Masters degrees in Organ Performance. Between degrees, I was fortunate to study organ performance in German, sparking an appreciation and passion for travel and study abroad. I am on the piano and theory faculty of the TCU School of Music. Besides travel and all things TCU, I enjoy practicing and improving my photography skills. I came to St. Monica in 2009; being involved in the growing Music Ministry at St. Monica is a very exciting part of my musical career.

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Logan Herod

Associate Director of Music


Parish Business

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Debbie Diaz

Business Manager

Office: 214-358-1453 Extension: 7176

I grew up in Dallas and attended St. Monica School for five years followed by public school and then graduated from the University of Texas at Austin. I joined St. Monica in September 2013 as Business Manager for the church and school. When not at work, I enjoy spending time with my family and some of my other interests include reading and watching movies. I have been a parishioner at St. Monica for most of my life, and I feel very fortunate to have the opportunity to work at the place that has been my parish home for so many years.

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Jared Wirths


Office: 214-358-1453 Extension: 7102

I am originally from Kansas and moved to Dallas in October of 2010, at which time I began working at St. Monica. I am the Bookkeeper for the church and school. This includes paying the bills, keeping track of financial information, preparing financial reports, budgeting, and doing payroll. When I am not working, I enjoy watching my favorite sports teams, exercising, playing tennis, and investing. Since I have been working at St. Monica I have found it interesting to see all of the work that goes into the operations of a church and a school. I have also enjoyed seeing the involvement of the people here, not only in the St. Monica community, but also in the greater Dallas community. I have enjoyed working at St. Monica with such great people in such a great community, and I hope to be here for many years to come.

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Melissa Franks

Database Manager & Facilities Scheduler

Office: 214-358-1453 Extension: 7111

I was born in Savannah, Georgia. With my father being in the Air Force, I traveled extensively throughout my childhood, but Dallas was always home base. In my spare time I enjoy cooking; reading; crossword puzzles; watching scary movies; going to the beach; and above all, I love watching our Dallas sports teams play. I have worked at St. Monica for 16 years. I enjoy the diversity of my job as it allows me to work with our parishioners in many different capacities, from keeping records and contributions up to date, to scheduling rooms for our many organizations; but, most gratifying is being able to help members during their time of loss. It has been a real pleasure to watch St. Monica grow over the years and to be a part of this vibrant community.

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Maria Juarez-Plank

Baptism & Volunteer Coordinator

Office: 214-366-7173 Extension: 7173

I was born and raised in Dallas, TX. I graduated from the University of North Texas with a major in Advertising and a minor in Marketing. My husband and I joined the St. Monica parish in the late 1990’s, My volunteer work has been in ESL, with classes taught at San Juan Diego and here in St. Monica. I enjoy spending time with both my immediate family and extended family. In my spare time, I look forward to working out, gardening, catching up with the latest movies and taking our chihuahua Manny for his evening walks. As the new staff member, I hope to apply some of my experience in marketing and advertising to my role of Volunteer Coordinator. I am truly blessed with this opportunity and joining the staff of St. Monica.

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Paola Golemon

Parish Secretary

Office: 214-358-1453 Extension: 7453

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Misty Gilmore

Safe Environment Director

Office: 214-358-1453 x7115

I was born in Salt Lake City, Utah and my family moved to Dallas when I was five. I grew up mostly in Mesquite. I have three daughters and two perfect grand babies! My favorite things to do are of course spending time with my babies and being a Girl Scout leader. I have been a Girl Scout leader for over 20 years and I still lead a troop of 11 girls. In my free time I like to sew, crochet and clean (yes clean!!) I have worked here since 2013 working with the Safe Environment program. I deeply care about the program and believe that our classes are helping to keep people safe. I truly love my job and I look forward to meeting more of you when you attend our classes.

Catherine Hull

Director of Communications

Office: 214-358-1453 Extension: 7142