Mary Heinert

Mary Ann (Leingang) Heinert, age 93, Bismarck, passed away on August 16, 2025, at her residence in Bismarck, ND.

Mass of Christian Burial will take place on Saturday, August 23, 2025, at 11:00 AM at St. Joseph Catholic Church, Mandan. Burial will follow the service at Mandan Union Cemetery.

Visitation will be held on Friday, August 22, 2025, at Weigel Funeral Home, Mandan, from 5:00 – 7:00 PM with a rosary/parish vigil at 7:00 PM. Visitation will continue one hour prior to the service at the church on Saturday.

Mary was born on April 6, 1932, in Solen, ND, the seventh of fourteen children born to Alex G. and Frances (Lauinger) Leingang. She was raised on a farm near St. Anthony, ND. On November 16, 1948, she married the love of her life, Liberatus Heinert, in St. Anthony. Together, they had four children, Gary, Duane, Yvonne, and Kevin.

Mary worked for almost 33 years as a supervisor/seamstress at Arrowhead Dry Cleaners in Bismarck. She loved to sew and made several wedding dresses and many bridesmaid dresses.

Mary also had a heart for serving others. After working at Arrowhead Dry Cleaners, she went on to work at K-Mart, Missouri Slope Nursing Home, and Mandan Villa Nursing Home.

Mary loved her children, grandchildren, and great-grandchildren very much. She loved spending time with family, taking yearly bus trips with her sisters all over the United States, including Hawaii, as well as Mexico and Canada.

Mary is survived by her children, Gary (Geretta) Heinert, Woodbury, MN, Duane (Jackie) Heinert, Mandan, ND, and Yvonne and Gerry (deceased) Froehlich, Mandan, ND; six grandchildren, Traci (Greg) Schabert, Troy (Hannah) Heinert, Kelli (deceased) (Tim) Hagerott, Brian (Sarah) Heinert, Greg (Jennifer) Froehlich, and Renee (Richard) Voss; 22 great-grandchildren; siblings, Stephanie (Leo) Schwartz, Mandan, ND, Abby (Ken) Olson, Minot, ND, Delores (Frank) Beehler, Aberdeen, SD, and Eugene (Judy) Leingang, Pinole, CA; and many nieces and nephews.

Mary was preceded in death by her husband, Liberatus Heinert, in 2001; son, Kevin Heinert; granddaughter, Kelli Hagerott; parents, Alex G. and Frances Leingang; siblings, Clemens (Bertha), Edward (Josie), Tony (Regina), and George (Jean) Leingang, Ann (Frank) Gangl, Lorraine (Roy) Heinert, and Fran (Jim) Cornell; young siblings, Steph and Frank; and son-in-law, Gerry Froehlich.

Our heartfelt appreciation to all of the hospice nurses, doctors, and other medical staff who so graciously helped Mom on her final journey.