Hello, Please can I have a look up in the 1871 Census, I can't find John and Elinor Corkill

and yes, I have tried all spellings of Corkill,

They are here in the 1861 Census,

Booilevelt John Corkhill Head Mar 64 Farmer Maughold
Booilevelt Elinor Corkhill Wife Mar 67 Maughold

His M.I. has,

In memory of JOHN CORKILL of the Curragh in this Parish, who died July 17th 1879 Aged 83 years.

any help gratefully received,
Averil