Funeral Services for MaryAnn Nissen, age 84, of O'Neill, will be at 2 pm on Sunday, June 14, 2026 at Christ Lutheran Church in O'Neill.  Visitation will be be one hour prior to the service at the church.  Burial will be at 4:30 pm on Sunday, June 14, 2026 at Hillcrest Memorial Park in Norfolk.    MaryAnn passed away on Thursday, June 4, 2026 at Silver Bluff Grove Senior Living in Aiken, South Carolina.  Memorials may be directed to her family for future designation.  Arrangements are entrusted to Biglin's Mortuary in O'Neill.

MaryAnn Koehler was born August 2, 1941 in Norfolk, Nebraska to Alvin and Ruth (Heath) Koehler.

She married Don Meierhenry in 1967. He passed away unexpectedly in 1987.  MaryAnn asked Gary Nissen to dance on St. Patrick's Day in 1990, the couple married later that year.  She has been a resident of O'Neill since 1970.  She started the Post Prom celebration in 1972-1973.

MaryAnn spent her time and found joy in collecting antiques and photographs, spending time bowling, and sharing her love and compassion with the dogs she adored.  She was a dedicated mentor and touch the lives of many young people through the Tom Osborne Teammates Mentoring Program.  She faithfully served as a long-time secretary for the Fraternal Order of Eagles and proudly represented Avon for 27 years.  She was also a lifelong Auxiliary Member of the American Legion and VFW.  MaryAnn spent the last year in South Carolina with her son, Alan Meierhenry.

MaryAnn will be remembered for her generous spirit, kind heart, and positive impact she had on those fortunate enough to know her.

MaryAnn is survived by her two children, Alan (Jennifer) Meierhenry of Jackson, South Carolina, Lorrinda Hansen of O'Neill; eight grandchildren; 10 great grandchildren; sister, Phyllis Siecke of Madison; many nieces and nephews.

She is preceded in death by her parents, Alvin and Ruth Koehler; husbands, Don Meierhenry, Gary Nissen; her beloved grandchildren, Alex Meierhenry and Adeyinka Aboyade-Cole; brother-in-law, Doug Siecke.