Hi Sue
Although Helions Bumpstead is in Essex, it comes under Risbridge Registration District, which is included in the 1861 Suffolk CD set, not Essex. Having said that, your Hannah is there in 1861

:
1861 census
RG9/1124 folio 43, page 25
Village, Helions Bumpstead
Hannah LAWRENCE, Head, Widow, 51, No Occupation, cottage freehold, farmers widow, b: Essex, Helions Bumpstead
Edith BACON

, Sister

, Unmarried

, 53, b:Essex, Helions Bumpstead
Best Wishes
Linda