Irene Kosters Obituary
The world bids farewell to Irene Kosters of Mobridge, South Dakota, departing on May 11, 2026 at the age of 102. Irene leaves behind memories cherished by the community. Leave a sympathy message to the family in the guestbook on this memorial page of Irene Kosters to show support.
She was predeceased by: her parents, Andrew Raba and Theresa Raba (Bertha); her husband John Kosters of Anthony's Catholic Church; her sons, Lawrence and Lester; her children-in-law, Allen Mertz and Julie (Lawrence); and her siblings, Theresa (Kosters), Anna (Kosters), Katherine (Kindel), Martin, Gabriel, Ladislaus, Paul, Phillip and Mark.
She is survived by: her daughters, Jane Mertz, Marie Mueller (Richard), Beverly Ruzsa (Rodney) and Geralyn Vandervelden (Marvin); her daughter-in-law Janet (Lester); and her sons, Laverne (Paula) and Lyle (Treni). She is also survived by 22 grandchildren, 49 great grandchildren, 21, great-great grandchildren.
