County Kerry - 1760), Vicar General of Ardfert and Aghadoe, and Judge of the Prerogative Court of Dublin, Ireland, and his second wife Lucy (née Heaton). The reports about Jordan's maternal ancestry are unproven; Grace Phillips has been described as the daughter of a Welsh clergyman, whose parish was at Trelethyn.

Before April 1774, when she was age 13, Jordan's father, who worked as a stagehand,