Hi Brian 
MARRIAGE:http://freebmd.rootsweb.com/Liverpool - Sep Qtr 1873 - 8b 509
Willam Rogers DOWSING and Julia Emma BROWN on same page.
1861: Pupil William DOWSING 12, b Woodbridge Suffolk, in a school in Chipping Hill, Witham, Essex.
RG9 /  Piece: 1107 /  Folio: 108 /  Page: 8
1871 Possibly:  William R? N? DOWSING 20, clerk, b Woodbridge Suffolk:  lodging in Harwich, Essex
RG10 /  Piece: 1680 /  Folio: 120 /  Page: 16
1881: William R DOWSING 32, b Woodbridge,  with wife Julia E & children in in Deptford St Paul,  London,
There is a brother (of William) in the house: John E DOWSING 23, Clerk Coach Builder, b Woodbridge Suffolk abt 1858
BIRTH: John 
Edward DOWSING - Woodbridge - Sep Qtr 1857 - 4a 563
There is also a visitor in the house: Susannah BUNN, 65, widower, occ: Nurse,  b Bently, Suffolk
RG11 /  Piece: 708 /  Folio: 9 /  Page: 14
1891  William R DOWSING 42, b Woodbridge Suffolk, with wife Julia E & children in Croydon Surrey.
RG12 /  Piece: 591 /  Folio 24 /  Page 43 
1901: William Rogers DOWSING 52, b Woodbridge, Suffolk, Head of house, married but neither wife nor children in house , in Brighton 
Suffolk Sussex
Also in house is a female Housekeeper Servant and 2 male boarders.
RG13 /  Piece: 921 /  Folio: 133 /  Page: 21
If you need full transcript of the above Census', please let us know!
Cheers
AMBLY