Prime Street, one of the most southerly streets in Southwark, is now, more or less, called Washington Street.
It was not covered by Francis White, and so the only 1785 listings would be those of John MacPherson. It was also not covered by Clement Biddle in the 1791 directory.
SOUTH SIDE
#179, vacant or residents would not give name
#180, Elliot, John
#211, Deamer, Michael Henry
#260, Henny, Hugh
#263, Johnson, Widow
#265, Snyder, John
#271, Leppee, John
#273, Cooker, Widow
#284, Cooker, Christian
#290, Cooker, Matthias
NORTH SIDE
#607, Douglass, William
#608, vacant or residents would not give name
#609, Houseman, Jacob
#611, vacant or residents would not give name
#612, Quick, John
#615, Griffy, William
#616, Wynn, Patrick
#617, Hughs, John
#638, Day, Isaac
#640, Slay, John
#647, Curgee, Thomas