Sevrie "Sis Green" E. Olson, 103, passed away on April 13, 2012 at the Big Sandy Medical Center due to natural causes. Per her request, no services are planned. Holland and Bonine Funeral Home has been entrusted with arrangements. Sevrie was born April 12, 1909 in the Bear Paw Mountains on the Albert Williamson Ranch to Albert and Lena(Olson) Williamson. She attended school at a country school and high school in Big Sandy. Sevrie married John Lawrence Green in May of 1926 in Fort Benton, MT. Sevrie and Lawrence had 2 son's Lawrence and Harry. She and John Lawrence operated a bar business. John passed away in 1939. Sevrie worked in the restaurant business and as a ranch cook; also worked various jobs in the Havre area. In 1957 Sevrie married Oscar Olson. The couple later divorced. Sevrie moved to Big Sandy in 2003 and has lived there ever since. She enjoyed a lifetime of many friends. Sevrie was preceded in death by her husband, John Lawrence Green; son, Harry Green; brothers, Gordon Williamson, Herbert Williamson, and Ed Williamson; and granddaughter, Shannon Green. She is survived by her son, Lawrence (Connie) Green of Big Sandy, MT, four grandchildren, nine great-grandchildren and one great-great-grandchild.