1757 Sadsbury Twp, Lancaster Co, PA. His tax assessment was 1 pound1 4 shillings for unspecified property. In the same twp were Gideonand J osiah Irwin while James Irwin was in Leacock twp in 1758.
1799 He and brother, William, were co-executors of their father'sesta te.
Probate dates of 1822 & 1842 were recorded for Samuel Irwin estates.