Ah. This is interesting.
Blind John is back living with Thomas and Elizabeth for the 1871 census. Check out the name of where they are living.
http://interactive.ancestry.co.uk/76...l=ReturnRecord
Hackney
Leah Cottage
Thomas Seabrook, head, 44, wood engraver, born Middlesex, City of London
Elizabeth Seabrook, wife, 46, born Herts, Tring
Elizabeth Seabrook, dau, 9, scholar, born Middlesex, City of London
John Seabrook, father, 76, annuitant, born Herts, Tring. Blind ?????? by accident
Ann Seabrook, mother, 71, born Middlesex, City of Lonodn
Thomas Seabrook, 4, son, born Middllesex, Hackney