Donald C. Boyd Sr., 70, of Great Falls, died on Wednesday, February 22, 2012 at his homeof lung cancer.Services will be announced at a later date. Schnider Funeral Home is handling arrangements.Donald is survived by his wife, Dolly Boyd of Great Falls; daughters Brenda Grassnick of Eagle, Idaho and Kendra Bragg of Great Falls; sons Terry Boyd of Great Falls, Donald C. Boyd, Jr. of Kuna, Idaho and Weylin Boyd of Cascade, MT; sisters Mary Alice Burns of Lewistown, MT, Darlene May of Great Falls and Ronnie Jean Hannula of Bozeman, MT; a brother, Rick Hannula of Bozeman, MT; 13 grandchildren and two great granddaughters.