Family: Robert IRWIN / Sarah Matilda LITHGOW (F129)
m. 6 Mar 1876William IRWIN (1827-1865) 
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Mary Ann WILSON (1837-1899)
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Elizabeth Jane - Eliza Jane - IRWIN (1857-1930)  |
| Mary Anne IRWIN (1861-1943) |
| William IRWIN (1862- ) |
| John Irwin BUTSON (1866-1885) |
| Robert IRWIN (1856-1925)
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| Sarah Matilda LITHGOW (1858-1899) |
| Victoria Regina Letitia IRWIN (1877-1929) |
| George Percy IRWIN (1879-1880) |
| Robert Lithgow IRWIN (1882-1943) |
| Wilburt Watson Albert IRWIN (1883-1968) |
| May IRWIN (1886- ) |
| Mary Virginia IRWIN (1888-1969) |