Nancy Louise Hartert, 86, of Rochester, MN died peacefully Sunday, May 18, 2025, at her home. She was surrounded by love from her family.

Nancy was born September 7, 1938 in Chicago, IL to James and Cora Keenan. She graduated Providence High School in 1956 and made her way to Rochester, MN to attend St. Mary's School of Nursing. It was in her role as a nursing student that she met the love of her life, John (Jack) Arthur Hartert. Jack and Nancy married July 9, 1960. They made their home in Rochester. Nancy worked her entire career at St. Mary's Hospital for Mayo Clinic and retired in 2006 when a great-granddaughter was born so she could provide daycare.

Nancy loved reading, gardening, traveling, and a good laugh. She especially cherished time with her family and had a special relationship with each child and grandchild.

She is survived by her three children, Joseph (Ginny) Hartert, Michael (Laura) Hartert, and Julie (Todd) Johnson all of Rochester, MN. Nancy has eight grandchildren: David (Kim) Friedline, Kathryn (Taylor) Broadwater, Jessica (Josh) Underkofler, Sara (Riley) McGovern, Jacob Hartert, John Hartert, Joseph Hartert, and Jack Hartert. She has ten great-grandchildren: Isabella Broadwater, Ariana Broadwater, Gavin Friedline, Summer Hartert, Samson Broadwater, Caleb Friedline, Levi Friedline, Grace Underkofler, Noah Underkofler, and Mason McGovern. Each one filled her heart with love. She is preceded in death by her husband, one sister, and two brothers.

The funeral service will be held at 11:00 a.m. Thursday, May 22, 2025 at St. Pius Church. Visitation will be one hour prior to the service at 10:00 a.m. on Thursday. Burial will be at Calvary Cemetery at 2:00 p.m.

Memorials are preferred to Mayo Hospice or Mayo Eugenio Litta Children's Hospital in Rochester, MN.

Online condolences are welcome at www.mackenfuneralhome.com.