Found living Ardleigh 1861 on ref RG9/1096/3/25/1 (Next to Vicarage?)
John Southgate,Head,Mar,56, Farm Bailiff, b Langham
Hannah Southgate,wife, Mar, 55, b Ardleigh
Henry Southgate, son,Unm, 17, carpenter, b Lawford
Hannah Southgate, dau, unm, 15 b Lawford
Fanny Southgate, dau, unm, 11, scholar, b Lawford
There is another John Southgate age 55 living Langham but has a wife Sarah.