United States 1880 Census taken at New Design, Monroe, IL
Margret Duffy is 52, born in Ireland, she is widowed at this time, and she farms. Children are William 26y, Francis 14y and daughter Albysuis 12 and Martin 7 years old. All of the children were born in IL.
The United States 1870 Census taken in Illinois shows John Duffy, 56y, born Ireland and Margaret 42y also born in Ireland. Older children, James 20y and Mary 19y are still at home. There are other younger children who did not appear in 1880 census.
