Margaret Grundman (née Reimer; 8 April 1877 – 1 February 1989) was a verified American supercentenarian. Grundman was born in Rushville, Ohio, as Margaret Orlena Reimer. Her birth was two months premature and she had trouble breathing at first. She had 7 siblings in total. Her father was a Civil War veteran. When she was 8 years old, the family moved to a town called Fostoria. Her husband, whom she married in 1900, was a salesman while Margaret worked as a seamstress. The couple had three children.