Hi again
I have searched further back and there were other children who could possivly be Ivy's mum or dad...
1881
James Langdon 40 
Eliza 39
Elizabeth 13
Beatrice 11
Mary Ann 10  (she married Joseph Tabb in 1889, by 1891 she is a widow)
James 9
Emily 8  (she married Thomas
 Lanxon  , 1889) This name ties in with the other thread ...somehow  

John T 2 ( he married Clarice Honey, 1902)
1871;
James  Langdon 32
Eliza 30
Rosanna 7   ( she married Thomas Smith  in 1882, Bodmin)
William G 4  (he married selina Dawe in 1892)
Elizabeth A 2  (she married Fred Prout)
Beatrice 1   (she married Samule Lee in 1893)
Mary A 5 months  
!861
James Langdon 21
Eliza 20   ( I think her maiden name was Honey)
William G 5 months
so who does Ivy belong to ?
deb ...