Mary De Loach (aka Mary DeLoatch, Marylin Scott or Marylyn Scott the Carolina Blues Girl) was from Norfolk, VA and started a career as a blues guitarist and vocalist in the late 1940's. By the early 50's her music had taken a gospel turn, and her raw guitar style, of course, draws parallels with Sister Rosetta Tharpe.
Apparently, this was the last record she ever cut, and the rest of her story is unknown. Producer Louise Williams (wife of Arctic Records founder Jimmy Bishop) was known as the gospel radio queen of Philadelphia, and since the late '80's she's made a name for herself as a politician in Philadelphia. Perhaps Louise Williams was a fan who brought Mary north to Philadelphia to record?
Whatever the story, it's truly a wonder that a performance like this was captured by microphones. It's as if we're witnessing something almost TOO personal here.
MARY DE LOACH - MOVE THIS THING (PART 1)
MARY DE LOACH - MOVE THIS THING (PART 2)