Emilia Puffer was born 1850 in South Crosby, Leeds, Ontario, daughter of Isaac Puffer and Jane McQuey. Here is the 1851 Census from South Crosby...
1851 CDN Census, South Crosby, Leeds, Ontario
Farmer; all Episcopal Methodist religion.
Puffer Isaac 48, born Canada (all born Canada) Puffer Jane 39 Puffer, Jesse 17 Puffer, Geo. 13 Puffer, Thomas 6 Puffer, Margaret 11 Puffer, Charlotte 9 Puffer, Elizabeth 4 Puffer, Emilia 1**** this is she Bateman, Isaac 18 born USA, Labourer, in household
Isaac was the son of Asa Puffer.
As noted elsewhere, Isaac and his family were in Minden near Peterborough, by 1881.
Richard Ripley Project Co-ordinator, NFFG Network of Founding Family Genealogies