Karen Ann Mainz
May 15, 1956 ~ November 8, 2025
Born in:
San Antonio, Texas
Resided in:
San Antonio, Texas
Karen Ann Mainz was the most amazing woman to ever walk this earth. Sadly, her journey ended on November 8, 2025, at the age of 69. She was born on the morning of May 15, 1956, and was the fourth child of Ollie and Ann Brehm. Karen and her siblings (Larry, Gene and Alene) were raised in a household of loving parents. She was raised in a 1920-vintage farmhouse built by her grandparents, Ollie and Lillie Noll Brehm. It was located just southeast of San Antonio, “In the Country.” Her unique childhood experiences included helping the family operate a 400-hen egg farm, cleaning a dance hall, setting up pins at a bowling alley, and chasing cows out of pastures.
She was educated at Holy Name Elementary School, where she was a premier pitcher for the Holy Name CYO softball team. She graduated from St. Gerard’s High School in 1974 and obtained a Fashion Merchandise degree from the University of the Incarnate Word in 1978.
For twenty years, her dad managed a social club, where she met her future husband, Jerry Mainz. They married on July 19, 1980, and built a home on family property close to the households of her parents and siblings.
In 1981, Karen’s mother and sister bought property off Loop 410 and opened 410 Printing Center. In 1982, Karen joined the business. The “Office” was where she and Alene raised their children, grandchildren and it was the center for many Brehm/Mainz activities.
Karen and Jerry were blessed with two daughters, Jenna and Lisa. Her daughters were the joy of her life, and her joys increased with Jenna’s marriage to Eric Ruhd in 2012 and Lisa’s marriage to Austin Kramr in 2016. Karen’s most important role was being a grandmother to her five grandchildren: Luke, Piper, Ollie, Owen and Olsen.
Karen was the “social coordinator” of the extended Brehm Family. She loved to host Christmas, the Good Friday fish fry, children’s birthday parties, and any other excuse for a party at the Mainz’ home. She enjoyed spending time with her family, taking trips to their property in Rocksprings, and going on gambling getaways with Jerry. She had a passion for fitness, was a ringer at nine-pin bowling, and most importantly loved running the “Office”.
We will remember her as a loving, kind, generous, selfless, and beautiful soul. Her spirit will continue to live on with everyone she loved.
She is survived by her husband (Jerry), daughters (Jenna & Lisa), sons-in-law (Eric & Austin) and grandchildren (Luke, Piper, Ollie, Owen & Olsen). Surviving siblings are Larry (Deborah) Brehm, Gene (Vicki) Brehm and brother-in-law, Ken Waneck. In-laws Billy (Mary) Mainz, Bernice Jarzombek, Charlene Mainz, and James (Barbara) Mainz, plus nieces and nephews, their spouses, and their children.
Services
Visitation: November 14, 2025 5:00 pm - 9:00 pm
St. Jerome Catholic Church
7955 Real Rd
San Antonio, TX United States
78263
Rosary: November 14, 2025 7:00 pm
St. Jerome Catholic Church
7955 Real Rd
San Antonio, TX United States
78263
Funeral Mass: November 15, 2025 10:00 am
St. Jerome Catholic Church
7955 Real Rd
San Antonio, TX United States
78263
Graveside: November 15, 2025 11:15 am
MeadowLawn Memorial Park
5611 E. Houston St.
San Antonio, TX United States
78220
www.meadowlawnmemorialpark.com
Reception: November 15, 2025 12:00 pm
Room: Reception Hall - Following Burial
St. Jerome Catholic Church
7955 Real Rd
San Antonio, TX United States
78263


My deepest condolences to the family.
This brings back great memories of our childhood with all of our cousins. I remember the day Karen was brought home from the hospital.
When she began to move around, my dad always called her Scooter because she scooted instead of crawling.
In later years it was always great seeing all of you at family reunions and other events.
We will cherish these memories forever.
Love to each of you. Louis & Karen Jupe
There are no words that will heal your hearts, but try to remember how many people’s lives Karen graced with her smile, her tenderness, and her generosity. I write in Thanksgiving that many years were spent at Highland Social Club, where I was blessed to have known all of you. Rest now, Karen, in God’s gentle loving arms.
I feel like I gave known Karen for decades… . All good memories. First met her and Jerry, bowling… . So glad I got a big hug from her a few weeks ago. Love to all the family…
We are sorry for your loss. We will keep your family in our prayers.
She will be missed at Rodeo.
Randy & Marge Kiolbassa and the rest of the Kiolbassa family.
Our condolences to the family.
Brady Bading
Karen was one of the kindest and loving person I had the pleasure of calling a Golden Friend. My heart and continued prayers are with you Jerry and her girls and Grandbabies.
May God bless each of you and fill your hearts with the love, and she filled your life with and then he walk with each of you as you get through this most difficult time
So sorry for your loss. Prayers to you and your family
We are so sorry to hear this heartbreaking news. We are not in town and have a granddaughter being baptized tomorrow but all of you are in our prayers. We will always remember that big smile of Karen’s❤️
Love, Rick and Terri
My deepest sympathy for your loss. Such a special lady and incredible family. Praying for you and your family every day. Love, Patrick Jupe .