So this family 
1901 caravan, Dorchester Road, Upwey, Dorset
Jesse HUGHES head mar 28 hawker b.Chickerell
Louisa wife 26 b.Chickerell
Adelaide dau 4 b.Chickerell
Lucy dau under 1m b.Upwey
Priscilla mother wid 70 b.Chickerell
Horace brother unm 25 hawker b.Chickerell
Terisa sister unm 20 hawker b.Chickerell
RG13/1990 folio 19 page 29
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Have you found them on any other census?
Casalguidi 
I have found them in East Chinnock in 1911
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Dwelling In Caravan
HUGHES, Jesse Head ? Licensed Hawker Of Baskets And C
HUGHES, Louisa Wife Married M (NK)
HUGHES, Daniel Son Single F (NK) Hawker
HUGHES, Athaline Daughter Single ?
HUGHES, Charity Daughter Single ? Nk
HUGHES, Priscella Daughter Single ?
HUGHES, Alice Daughter Single ?
RG number:RG14Piece:14385 Reference:
Registration District:YeovilSub District:CokerEnumerationDistrict:8 Parish:
Address:East Chinnock Yeovil County:Somersetshire
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However, I can't find anything to relate this Jesse Hughes with the one who stays with his Brother-in-Law in 1881 and 1891.
Any help would be grateful.