[6] Between 1830 and 1850 he was chosen twelve times as the clerk to the influential yearly meeting of the Quakers in London.

Stephen Grellet, the French Quaker reported that Stacey said that he would express his views as clearly as he could once, but would not repeat them as this was unlikely to convince others who did not agree.

The British organising committee were surprised to find there were female delegates asking to sit in the main hall.

The commemorative painting of the event shows Stacey in the important foreground of the painting and women with the exception of the main speakers daughter, Mary Clarkson, the women are huddled to the right and to the back of the assembled crowd.

Four delegates were sent from Britain: Stacey, Josiah Forster, his brother William and John Allen.