if the william cooper in great grimsby in 1901 with his half sister eliza owen is your man then here he is in 1891-
living in great grimsby
william cooper 68yrs jag boat agent born longton staffs
elizabeth 67yrs wife born hull yorkshire
eliza owen 61yrs widow boarder born hull yorkshire
SOURCE INFO-RG12-2616
FOLIO-56
PAGE-17
BACK ANOTHER 10 YRS TO YES YOU GUESSED IT GREAT GRIMSBY-
79 orwell street
great grimsby
william cooper 59yrs steam rig owner born longton staffs
elizabeth 56yrs wife born hull
eliza owen 50yrs widow(now says wifes sister) born hull
eliana crane 17yrs servant
SOURCE INFO-RG11-3268
FOLIO-131
PAGE-28
NO SUPRISE HES IN GREAT GRIMSBY IN 1871 ALSO-
living at 40 orwell street
william cooper 48yrs steam tug agent born staffs
elizabeth 45yrs wife born hull
eliza owen 39yrs widow sister in law born hull
SOURCE INFO-RG10-3413
FOLIO-13
PAGE-20
YEP YOU GUESSED IT GREAT GRIMSBY IN 1861 ALSO-
cleathorpe road
william cooper 38yrs labourer born lane end staffs
elizabeth 35yrs wife born hull
SOURCE INFO-RG9-2389
FOLIO-99
PAGE-15
i wont say it.................. but guess where they were in 1851??
living at white hall yard
great grimsby
william cooper 28yrs labourer born land end staffs
elizabeth 26yrs wife born hull
alfred 7yrs son born hull
SOURCE INFO-H0107-2113
FOLIO-259
PAGE-26
so if you are certain about marriage date of 1841 then elizabeth would only have been 16yrs??
hope some of this helps?
regards
alli