How about this???

1851 Census
Ramsey
, 03?15, 068, CORKILL, Robert, Sand Street, Head, Married, 26, Marine Store Dealer, Ramsey
, 03?15, 068, CORKILL, Eleanor, Sand Street, Wife, Married, 23, , Castletown
, 03?15, 068, DUFFY, Pat, Sand Street, Bro in Law, , 12, Scholar, Douglas
, 03?15, 068, GLAHAM, John, Sand Street, Visitor, , 40??, Trimmer, Ireland

There are 2 Robt Corkills from Ramsey ch in 1825
07 DEC 1825 Ramsey Robert Corkill/Jane Goldsmith
29 SEP 1825 Ramsey William Corkill/Jane Crow

1841 Census Index
Douglas 7 30 156
DUFFY
Patrick 40
Ellen 14 Maybe this is Ellen above
Patrick 3 Maybe this is Patrick above
That might make her Ellen/Eleanor Duffy