I CAN OFFER A POSSIBLE IN THE 1901 CENSUS- Father is Martin,,,has a sister  Annie,,, But you really need the actual marriage certificate to check the fathers occupation.
1901 census
8, Richmond Row, Liverpool, Lancashire, England
Martin   Cavney   Head   Married   Male   40   1861   Hawker Fish   Mayo, Ireland   
Maira   Cavney   Wife   Married   Female   36   1865   Hawker Fish   Liverpool, Lancashire, England   
Bridget   Cavney   Daughter   Single   Female   17   1884   Hawker Fish   Liverpool, Lancashire, England   
Annie   Cavney   Daughter   Single   Female   15   1886   Hawker Fish   Liverpool, Lancashire, England   
Julia   Cavney   Daughter   -   Female   12   1889   -   Liverpool, Lancashire, England
Patrick   Cavney   Son   -   Male   10   1891   -   Liverpool, Lancashire, England   
Martin   Cavney   Son   -   Male   6   1895   -   Liverpool, Lancashire, England