Her name was Margaret Gascoigne Wade.
The sources I am using; London Metropolitan Archives and Guildhall Library Manuscripts Section, Clerkenwell, London, England. Reference # M59172/1A; will #120
Hamilton, Rosanna, comp. British Chancery Records, 1386-1558 [database on line]. Provo, UT. List of Chancery Proceedings. Public Record Office Lists and Indexes. Date 1515-1518, vol 5 pg 82, bundle 410