Mardonna Isenberg Obituary
With heavy hearts, we announce the death of Mardonna Isenberg of Lake Forest, Illinois, who passed away on May 11, 2026 at the age of 86. Leave a sympathy message to the family on the memorial page of Mardonna Isenberg to pay them a last tribute.
Though Mardonna has departed this earthly realm, her legacy endures — a legacy of love that will continue to illuminate the lives of family and friends in the darkest of hours. May her spirit soar on wings of eternal peace, forever cherished in the tender embrace of memory.
She was predeceased by: her parents, Gunnar Grahn and Anna Grahn; and her brother Everett (Barbara Grahn). She is survived by: her siblings, Darlene Galser and Marvin Grahn (Geraldine); and her husband James.
In lieu of flowers, memorial donations may be made to Lutheran Social Services of Illinois (https://www.lssi.org).
