Esther D. Koski, age 91, passed away at Village at Lincoln in Racine on Sunday, September 6, 2026. Esther was born in Racine, WI on October 14, 1934, to the late Ralph and Bertha (Jacob) Olle. She was united in marriage to Elmer Koski on May 11, 1985, until he preceded her in death on June 13, 1998. Esther loved horses and embroidery for her pastime.

Surviving are her nieces and nephews, Ruth (John) Ahles, Ralph (Sandy) Olle, Bonnie (Wyatt) Sanders, Betty (Ted) Bates, Brenda (Chris) Ackes, and Bertha (Jerry) Golden; and other friends, Great Nieces and Nephews along with many Great-Great Nieces and Nephews.

Along with her parents, Esther was preceded in death by her nephew Ralph Olle III, nephew-in-law Wyatt Sanders, brother Ralph Olle Jr.; stepbrother, Richard Olle; and sister-in-law, Margaret Olle.

A visitation will be held on Saturday, September 12, 2026, at Draeger-Langendorf Funeral Home from 10:00 a.m. until 11:00 a.m. A service will commence at 11:00 a.m. Interment to immediately follow at Caledonia Memorial Park. In lieu of flowers, please make donations to the Cancer Society on Esther's behalf.