in 1881 Clara appears to be a servant.
~~~~~~~~
  Household:
 Name  Relation Marital Status Gender Age Birthplace Occupation Disability 
 Daniel EVANS   Head   M   Male   48   Marchoul, Denbigh, Wales   Farmer 144 Acres     
 Sarah A. EVANS   Wife   M   Female   42   Worthernbury, Flint, Wales   Farmers Wife     
 Alice A. EVANS   Daughter      Female   2   Wem, Shropshire, England        
 Sarah A. EVANS   Daughter      Female   8 m   Wem, Shropshire, England        
 Richard COTTON   Serv   U   Male   18   Prees, Shropshire, England   Cowman Al     
 George COTTON   Serv   U   Male   18   Prees, Shropshire, England   Waggoner Al     
 Martha LEEK   Serv   U   Female   18   Burlton, Shropshire, England   Genl Servant     
 Clara POWELL   Serv   U   Female   12   Wem, Shropshire, England   Nurse     
~~~~~~~~
Source Information:
  Dwelling   Northwood 
  Census Place Wem, Shropshire, England 
  Family History Library Film   1341640 
  Public Records Office Reference   RG11 
  Piece / Folio   2667 / 81 
  Page Number   2 
 
and in the 1871 census
Samuel Powell, head, age 42, ag lab born Salop Edstaston
Emma Powell, wife, age 35 born Salop Wem
William Powell, son, age 18, wheelwright born Salop Wem
Mary Powell, daughter, age 9, scholar, born Salop Edstaston
Frances Powell,daughter, age 7,scholar born Salop Edstaston
Benjamin Powell,son, age 7,scholar born Salop Edstaston
Elizabeth Powell, daughter, age 4 born Salop Edstaston
Clara Powell, daughter, age 2 born Salop Edstaston
Civil parish:    Edstaston  
County/Island:    Shropshire  
Country:    England  
Source information:    RG10/2792 
Registration district:    Wem  
Sub-registration district:    Wem  
ED, institution, or vessel:    3  
Folio:    51  
Page:    6 
Household schedule number:    21 
Hope this helps
Nicky