Phillippa Sussannah Smith (Commissiong) - Birth of Phillippa Sussanah SMITH born COMISSIONG

Phillippa Sussanah COMISSIONG is born before 1800 (say between 1780 and 1800) as her daughter Phillippa Sussanah SMITH must be born about 1825 (because daughter Onelia born in 1853).
This implies that Phillippa Sussanah COMISSIONG can only be a (legitimate or illegitimate) daughter of Domingo COMISSIONE, the sailmaker of Genoa/Italy who emigrated to Grenada where he died in 1799.