Hi Joanna,
Could this be them in 1841
HO107/817 1/14 page 19
Living at Market Stead, Peterborough
Charles Julyan, 25 - afraid I can't read occupation... looks like Hair...something.
Maria Julyan, 30
Robert 10 these 3 not born in county
Easter, 3 born Northampton
George, 4 months, born Northampton
Yorkslass