Marvin was born March 9, 1925, in Thomas, Oklahoma to Jesse and Elizabeth (Davis) Shantz and passed away Monday, August 5, 2019, at Weatherford Regional Hospital having reached the age of 94 years, 4 months and 26 days.

Marvin was raised southeast of Thomas where he attended Swan and Bear Creek schools. Marvin started running the family farm with his brother, Melvin, before he moved to Pennsylvania in 1936 but returned in 1937. On April 29, 1955, he married Norma Miller in New Wilmington, Pennsylvania and made their home northwest of Hydro, Oklahoma. He farmed and ranched for over 60 years before retiring at the age of 75. Marvin enjoyed gardening, fishing, hunting, and cookouts with family and friends. Memorials may be made to the Pleasant View Mennonite Church.

Marvin is survived by his wife of 64 years, Norma Shantz of their home in Thomas, Oklahoma; two sons, Eldon Shantz and wife, Ellen of Thomas, Oklahoma and Delmar Shantz and wife, Patty of Minco, Oklahoma; two daughters, Joy DeLeon and husband, Irvan of Watonga, Oklahoma and Marilyn Yoder and husband, Duane of Akron, Pennsylvania; ten grandchildren; and nine great-grandchildren. He was preceded in death by his parents; one brother, Melvin Shantz; and two sisters, Ina Shantz and Grace Shantz.