Hi Barry
According to the Sussex Marriage Index, James Hillman and Barbara Gower were married by Banns in South Malling on 19th May 1816.
1841 South Malling
HO107/1117/4
South Street Schedule 2, Page 2 and Schedule 3, Page 3
Samuel Hillman, 45, Bargeman
Rebecca do, 40
Caroline do, 15
Edward do, 13
Sarah do, 11
Alfred do, 9
Samuel do, 9
Richard do, 6
William do, 4
Esther do, 2
Harry do, 8 months
All born in Sussex
Schedule 3, Page 4
South Street PB
Robert Gower, 35, I can't read his occupation (but I like to think it says Lemonade Brewer)
Esther ?, 20
Both born in Sussex
Schedule 9, Page 15
South Street PB
Arthur Gower, 30, Beer Shop Keeper
Sophia Gower, 30
Ann Gower, 10
Henry do, 3
Alfred do, 1
Sarah Baker, 15, FS
Alfred Gower, 60(?), Labourer
All born in Sussex
HO107/1117/8 St Thomas a Becket in the Cliffe, Lewes,
South Street Schedule 11, Page 16 and Schdule 12, Page 17
Steph Gower, 65, Lb
Eliz Gower, 65
Betty Lucas, 25, do
Wm Gower, 15, Lb
Wm Miles, 20, Lb
All born in Sussex
South Street Schedule 15, Page 21
John Hillman, 30, Bargeman
Mary Hillman, 35
Mary Ann do, 8
Elizabeth do, 6
John Prince do, 5
William do, 3
George do, 2
Alfred do, 2
Charles do, 5 months
Same building, separate household:
Mary Hillman, 65
Mary Hillman, 35
Mary Ansell, 45
All born in Sussex
North Street, Schedule 17, Page 26
Henry Hillman, 55, Ind
Caroline Hillman, 15
Maria Moore, 20, FS
All born in Sussex
North Street, Schedule 20, Page 31
Thomas Hillman, 30, Mercht
Fanny Hillman, 20
Thomas do, 2
Margaret do, 1
Couple of servants
All born in Sussex
North Street, Schedule 21, Page 33
Edward Gower, 30, Lb
Ann Gower, 30
Arthur do, 12
George do, 10
Caroline do, 4
Edward do, 20 Lb
Arthur Moore, 20, MS
Willm Moore, 16, Lb
All born in Sussex.
High Street, Schedule 28, Pages 1 and 2
John Wilmshurst, 78
Elizabeth Wilmshurst, 68
Esther Gower, 30
Ellen Gower, 10
Maria Gower, 4
Charles John Gower, 2
All born in Sussex
North Court, Schedule 36, Pages 17 and 18
Thomas Hillman, 30, Labourer
Mary Hillman, 29
Mary Hillman 8
Harriett Hillman, 6
George Hillman, 3
Thomas Hillman, 7 months
All born in Sussex.
I have only looked in the Cliffe area, as I have already spent most of the morning looking through Lewes for another surname (if only I'd known

). Perhaps someone else can look through the rest of Lewis for you. Is there an address for 1851 Andrea - or is this just a name index?
In 1861 in the Workhouse, St Nicholas Lane, All Saints (RG09/586/134/37):
James Hillman, Inmate, Widower, 71, Mariner
Dimps