Possibly died in 1944 in Marrickville as Florence Emily Fielding Gray.
640. Percy Edwin James Mitchell
Found Dead in His Yard— Poison
Percy Mitchell, aged 38, laborer, of Cleveland-street, Darlington, was found dead, lying on a rug In his yard, to-day. He had swallowed poison. He had been In bad health.
Source: The Sun 28 Jan 1926