Barbara I. Breister, age 81, of Winneconne, died Saturday, February 24, 2018. She was born October 4, 1936, in Fond du Lac to the late Marvin and Madelyn (Kobs) Dobbratz. Barb was a graduate of St. Mary's Springs High School in Fond du Lac. On October 6, 1956, she married William J. Breister in Fond du Lac. Barb was a homemaker raising five sons, until going to work as a secretary at Winneconne High School, which she did for 19 years. She was very active in the community, having served on the Winneconne School Board and the Winneconne Village Board. Her volunteer work was extensive; including being a charter member of the Winneconne Area Assistance Center, working the Winneconne High School blood drives, cooking for the Salvation Army and Fr. Carr's, among other things. Barb was an active member of St. Mary Catholic Church, Winneconne. She also wrote thousands of hand written thank you cards and congratulatory notes to students for their achievements. Barb's true enjoyments were her children and grandchildren. She is survived by five sons and daughters-in-law, Steven and Lynn Breister, of Winneconne; Joseph and Brenda Breister, of Colorado Springs, Colorado; Peter and Renee Breister, of Neenah; Daniel and Jennifer Breister, of Winneconne; Tim and Rhonda Breister, of Appleton; grandchildren, Nikole (Frank) Barker, Amber Breister, Taylor Krueger, Colton (Alyssa) Breister, Matt Breister, Alex Breister, Hailey (Cory) Sauer, Brittany Breister, Logan Breister, Ashley Breister, Cody Breister, Chris Spencer, Adria Shelley, Sophia Shelley, Selia Shelley; one great-grandson, Barrett Barker; sisters-in-law and brothers-in-law, Sophie Breister, Robert and Angie Breister, David and Cecelia Breister, LaVerne Breister; a step-sister, Jeanne Olp; and other relatives and friends. Along with her parents, Barb was also preceded in death by her husband, William Breister, on September 19, 1996. A visitation for family and friends will be on Friday, March 2, 2018, from 4:00 to 8:00 p.m. at Mueller Funeral Home 904 E. Main St. Winneconne. Visitation will continue on Saturday, March 3 from 9:00 to 11:00 a.m. at St. Mary Catholic Church 210 Pleasant Dr. Winneconne. A funeral Mass will be held on Saturday at 11:00 a.m. at the church with Fr. Tom Long and Sr. Pam Biehl officiating. Burial will follow in the Winneconne Cemetery. In lieu of flowers, memorials may be made to the Winneconne Area Assistance Center in Barbara's name. Barb's family extends a special thank you to Sally Peterson for her friendship and kindness. If you wish please submit online condolences to muellerfuneralhomeinc.com.