 Some, like Payne, were Quakers, who had long encouraged manumission; others were inspired by revolutionary ideals.From 1782 to 1810, the proportion of free blacks to the total black population in Virginia increased from less than one percent to 7.2 percent, and more than 30,000 blacks were free.When Dolley was 15, Payne moved his family to Philadelphia, where he went into business as a starch merchant, but the business had failed by 1791.