Mark Leonard Mainzer
July 7, 2025
Resided in: Wichita, Kansas
Mark Leonard Mainzer, age 66, loving husband, father, grandfather, brother, and uncle, passed away from a traumatic brain injury on July 7, 2025. Mark grew up in Wichita, Kansas, and was a graduate of Wichita State University. In 1992, he married Jeannie Patterson and they raised four beautiful children. Mark possessed an extraordinary work ethic and was employed as a Branch Manager at Linde Gas and Welding. He showed exemplary leadership qualities and was respected and admired by his co-workers.
Mark possessed a deep Catholic faith and applied that in every aspect of his life. He enjoyed carpentry, fishing, grilling, playing golf, and watching his beloved Kansas City Chiefs. But most importantly, he enjoyed making memories with his family.
He was preceded in death by his father, Leonard, his mother, Shirley, and his brother, Tom. He is survived by his wife, Jeannie, his children Alyssa (Nick), and granddaughter Quinn; Brenna (Neal), Collin, and Danielle. He is survived by his brother, Fr. James Mainzer, sisters, Linda, Cindy (Paul), and brothers, David (Jolene), and Mike (Karen).
Rosary will be at 7:30 pm, Friday, July 11, 2025; Funeral Mass will be at 9:30 am, Saturday, July 12, 2025, both at St. Elizabeth Ann Seton Catholic Church. Burial to follow at Resurrection Cemetery.
A Memorial has been established at Kansans for Life, 7016 W. Harry St., Wichita KS. 67209.
Services in care of Downing & Lahey West Mortuary
Services
Rosary: Friday, July 11, 2025 7:30 pm
St. Elizabeth Ann Seton Catholic Church
645 N. 119th St. W.
Wichita, KS 67235
Funeral Mass: Saturday, July 12, 2025 9:30 am
St. Elizabeth Ann Seton Catholic Church
645 N. 119th St. W.
Wichita, KS 67235
Graveside Service: Saturday, July 12, 2025 10:45 am
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Charities
The family greatly appreciates donations made to these charities in Mark Leonard Mainzer 's name.
Memories Timeline
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Jeannie and family,
So sorry for your loss. We are praying for you and your family.
Robert and Teresa Grissom
So sorry for your loss . May he rest in peace . Prayers for the family.
David and Connie Kerr
My schedule is already full this Saturday, but I will be with you in prayer.
John Works
Mark was a fine man and on top of that, a great shortstop who could scoop up grounders with the best of them. May he rest in peace. Prayers for the family.
Dan Goevert
Jeannie & Family,
My deepest condolences on the sudden loss of Mark. I will always remember our fun times together when our children were young. Mark was always such a kind man and his love for his family was always so obvious. My heart and prayers are with all of you. Kathy Bailey (formerly Kathy Mietlicki)
Jeannie and family, Both Ed and I send our thoughts and sympathy to you and your family. We are so sorry for your loss. Be certain of our prayers for you all. May Mark rest in peace. -Tina Boley
Gerry and I were very sorry to hear about Mark. I cannot imagine what you are going through. Still remember little Collin with Samantha in Mike And Karen’s wedding. Our thoughts and prayers are with you and your family.
Sincerely,
Gerry and Cecilia Young
Jeannie and Family, Our hearts ache for you and the loss of Mark, gone too soon! Solace in the knowledge he is with the Lord and those who went before him. Thoughts and prayers, Dano and Yvonne Smith
Dear Mainzer Family,
I knew Mark through work at Linde. We only met in person once or twice, but shared numerous phone calls and emails. He was always kind, respectful, thorough, and just a great guy to work with. He will be missed.
I pray for comfort and peace for you all.
Much love,
Chris Burch
Dear Jeannie,
I am brokenhearted for your loss as Tom & I enjoyed getting to know you and Mark over the years and spending time with the Ottman at each of our homes having a great time. The world is certainly a lesser place without Mark and Tom in it that’s for sure. God’s grace for you and your family, Patty
Jennie, and family, Was so sorry to see that Mark had passed away. Know that you and your family will miss him so much. You will have great memories and time will help.
Our thoughts and prayers are with all of you. Please accept our deepest sympathy. May Mark rest in peace. 🙏🍹