Beatrice “Beaty” Bertha Mattern, 82, of Rugby, passed away peacefully at her home on Monday, February 23rd, 2026. Beaty was born on June 24th, 1943, to Joseph and Eblena (Koble) Reiter in Rugby, North Dakota.
On August 20th, 1962, Beaty and Joe were united in marriage at Our Lady of Mount Carmel Catholic Church in Balta.
In 1988, the family moved to Warroad, Minnesota, where Beaty began working for 25 years at Marvin Windows. In 2012, she and Joe returned to Rugby.
She is survived by her husband of 63 years, Joe; her children, Kim (Les) Tofstad, Rory (Jolene) Mattern, Shelly (TJ) Koisti, Darin (Gerene) Mattern, and Troy (Jamie) Mattern; her grandchildren, Ashley (Vichita) Ounchith, Alicia (Dustin) Kaasa, Derek (Laura) Mattern, Jordan Mattern, Brayden Koisti, Treyton (Julia) Mattern, Halle Mattern, Bryer Mattern, Lydia Mattern, Cooper Mattern, Jax Mattern, and Ily Mattern; her great-grandchildren, TreAllan and AviAnna Ounchith, Maci Kaasa, and Giada and Livia Mattern.
Mass of Christian burial will be held at 11:00 a.m. on Tuesday, March 3 at Little Flower Catholic Church in Rugby.
Visitation will be on Monday from 5:00 to 7:00 p.m. with rosary, vigil prayer service and sharing of memories beginning at 7:00 p.m. at the Anderson Funeral Home in Rugby.