In the 1891 Census I found Catherine Brennan With two Children living in Longton Staffs She was living with the Davis family

 

1891 Census
5 Records found
   
             
Piece: RG12/2181 Place: Stoke upon Trent -Staffordshire Enumeration District: 6
Civil Parish: Stoke Upon Trent Ecclesiastical Parish: St James
Folio: 18 Page: 29 Schedule: 173
Address: 6 Upper Hill St

 

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    Surname   First name(s)   Rel   Status   Sex   Age   Occupation   Where Born   Remarks  
    DAVIS   Anne   Head   W   F   44   Hawker    Staffordshire - Hanley       
    DAVIS   Mary E   Dau   S   F   18       Staffordshire - Longton       
    BRENNAN   Catherine   Lodger   S   F   21   Potters Flowerer(Em'ee)    Staffordshire - Kidsgrove       
    BRENNAN   Edward   Lodger   -   M   2       Staffordshire - Longton       
    BRENNAN   John J   Lodger   -   M   7m       Staffordshire - Longton