Daughter of Elder Daniel Smith Webb and Mary Ellen Edwards. Daniel S. Webb was the son of Elder Isaac Webb and Malesia Martin Webb. Martha Jane's family were leaders among the Primivite Baptists in Carroll County, Virginia.
Maggie Jane Webb married Allen Jefferson Webb on 19 December 1911 in Carroll County, Virginia. Maggie and Allen were 2nd cousins, their grandfathers (Isaac Webb and Greenville Webb) were brothers).