Age 44, Lawton - Mass of Christian Burial will be 10:00 AM Friday in the Holy Family Catholic Church with Rev. Kirk Larkin, Pastor, officiating. Mrs. Vanderpool-Steinert died Monday in a local hospital. Burial with full Marine Corps honors will be in the Sunset Memorial Gardens under the direction of the Becker Funeral Home. She was born on February 9, 1964 in Monterey, California to Keith and Marie Louise (Hofmann) Vanderpool. She served in the US Marine Corps for nine years and was the Marine of the Year for the Southwest Region in 2008. She was an Adjutant in the Officers of the Marine Corps League, Boomer Detachment #1288, where she was a founding member (Plank Owner). She was a middle school history teacher for the St. Mary's School for nine years. She was very active in the school's extracurricular activities and was Teacher of the Year. She was a member of the Holy Family Catholic Church. She was a beloved mother, daughter, sister, friend and teacher. Survivors include a son, Cory Vanderpool of Lawton; a daughter, Britney Steinert of Lawton; a companion, David Singer of Lawton; her parents, Keith and Marie Vanderpool of Lawton; a sister and brother-in-law, Donna Jean Dewbre and Randy of Lawton; a brother and sister-in-law, Roy Allen Vanderpool and Melisse of Chickasha; maternal grandfather, Heinz Hofmann of Hanau, Germany; two uncles and an aunt in Germany; many aunts and uncles in Oregon; and five nieces and nephews, Garrett, Cody, Paije, Karissa and Haeley. Her paternal grandparents, Roy and Laura Vanderpool, and maternal grandmother, Margaret Hofmann, preceded her in death. Memorial contributions may be made to the American Cancer Society, 1320 NW Homestead Drive, Lawton, Oklahoma 73505.