These census results correspond with what Rosie found above i.e.
Sidney Herbert Missin 15th July 1888 age 4 Father-John ,Mother -Susanna
1881 RG 11 Piece 1694 Folio 15 Page 23
Common,Leverington,Cambs
John Missin,head,31,Farm Lab,Leverington
Susanna Missin,Wife,28,Wisbech
Charles Missin,Son,9,Wisbech
Harriet Missin,Dau,7.Wisbech
Frederick Missin,Son,5,Leverington
Lucy Missin,Dau,3,Leverington
Alice M Missin,Dau,1,Leverington
1891 RG12 Piece 1299 Folio 147 Page 12
Downham,Ely,Cambs
John Missin,Head,43,Farmer,Leverington
Frederick Missin,14,Ag Lab,Leverington
Alfred Missin,Son,8,Leverington
Sidney Missin,Son,6,Downham,Cambs
Lucy Missin,Dau,12,Leverington
Maud Missin,Dau,10,Leverington
Edith Missin,Dau,3,Downham
Welsh Lady