Mary Kirsten Anderson was born in Bozeman, MT on May 3, 1941 to Paul and Edith (Waterman) Anderson. She was the maternal great-grandaughter of Gallatin Valley Pioneers Christopher H. and Catherine (Boyle) Waterman and William H. and Ellen (Flannery) Arnold. She graduated from Bozeman Sr. High and Montana State University. She retired from teaching Math in Jefferson County CO in 1999. She passed away on June 4, 2009 in Wheat Ridge, CO. She is survived by her children Jason M. Lammers, of Pembroke Pines, FL and Crista Lammers Hankinson of Lakewood, CO; three grandaughters Valerie Alexandrine Lammers, Sofia Paulina Lammers and the upcoming arrival of Mya Kirsten Hankinson.