Here are two referece for you:
Reference to Husband Henry Fenn and William McKenney
7 May 1750 -- Winifred McKenney of the county of Richmond, widow....her dower of and in a parcel of land which Henry Fenn, the husband of the said Winifred McKenney......[Richmond County Deed Book #10, page 536].
Reference to Husband William McKenney and William Hames
2 October 1752-- Winifred Hames made oath in court to her account of Adminstartion of her former husband William McKenney's estate which on the motion of William Hames, her husband, is ordered to be recorded.[Richmond County Deed Book #12, 1746--1752, page 423].
Clearly, you can see this is the same person, - Winifred Gathing who married Henry Fann, then William McKenny and then William Hames II.