You might already have some of this information but just in case ..... here goes.
1871
Vicarage, Iwerne.
Mary R Burt (widow). age 41. Annuitant. Born Iwerne
James R Mitchell (nephew). age 17. Scholar. Born Iwerne
1881
Home Farm, Bowood, Wiltshire.
Joseph Walters. age 32. farmer of 251 acres. Born Thorp, Hampshire.
Mary Edith (wife). age 24. Born Iwerne, Dorset.
John Hoffe Mitchell (brother in law). married. age 25. Retired farmer.
Sarah Pritchard (servant). age 32. Born New Barn, Hampshire.
1881
Iwerne, Dorset.
Mary R Burt (widow). age 51. Annuitant.
James R Mitchell (nephew). age 27.
1891
Charlest Farm, Charlest Down, Whitchurch, Hampshire.
John H Mitchell. age 36. Farm Bailiff. Born Iwerne Minster.
Mary E (wife). age 36. Born Compton Abbas, Dorset.
John H (son). age 10. Born Iwerne Minster.
Ernest A (son). age 8. Born Great Durnford, Wiltshire.
Ada M (daughter. age 6. Born Whitchurch, Hampshire.
Percy E (son). age 3. ditto
Bessie Brickell (servant). age 17. Born Hindon, Wiltshire.
1891
Tower Hill, Iwerne Minster.
Mary R Burt (widow). age 61. Living on own means.
James R Mitchell (nephew). age 37. ditto
1901
Fullerton, Wherwell, Hants.
John H Mitchell. age 45. Farm Bailiff
Mary E (wife). age 45.
Ernest A (son). age 18. Help on farm
Mary E (daughter. age 16.
Percy E (son). age 14.
Walter J (son). age 8. Born Whitchurch.
1901
Shoot Lane, Iwerne Minster.
Mary Ridout Burt. age 71. Living on own means.
James Ridout Mitchell (nephew). age 47. Parish Relief. Name transcribed as Mitdick.
1911
Fullerton, Andover, Hants.
John Hoffe Mitchell. age 55. Farm Bailiff
Mary (wife). age 55. Married 31 yrs. Had 5 children and 4 survived.
John Hoffe jnr (son). age 30. Labourer on farm.
Ernest Applin (son) married. age 28. Domestic Coachman
Mabel Mitchell (daughter in law) married. age 28.
Percy Edgar (son). age 23. Working on farm.
Walter James (son). age 18. Office Clerk.
Ethel Ada Mitchell (granddaughter) age 10 mths. Born Longparish.
Mary Ridout Burt died March qtr. 1909 in Shaftsbury.
Cannot find James Mitchell on the 1911 but name might have been transcribed wrongly again.
Hope this helps ............. Mike