Mamie Ruth Moberly was born on 2 August 1900 in Baltimore, Maryland, USA. She was married to Wilbur Moberly. She died on 1 July 1992 in Hagerstown, Maryland, USA.
Sister of Babe Ruth. She and Babe were the only two of their parents' 7 children to survive infancy. Babe was the eldest, followed by a set of twin boys, then Mamie and her twin sister, then another set of twin boys.