Occupation: 1881: Railway Porter Later Railway Signal Inspector (son's death certificate) Residences: 1881
Griffiths valuation of Ireland 1848 - 1864 has several Isaac IRWINs but only one in Armagh: Isaac IRWIN County: Armagh Parish: Mullaghbrack Location: Teemore
One of his daughters married a LOGAN & had a son called James LOGAN who lived at 257 Ingleby Drive, Glasgow in 1951. This James LOGAN (nephew) reported the death of his uncle William John IRWIN in 1951.
On WorldConnect from james.dawson@sympatico.ca Ellen IRWIN m William DAWSON & had a child Jane DAWSON in 1867 in Tanderagee District, Armagh, Ireland.