Perhaps John's second wife was the widow, Hannah Jones, his sister's landlady in 1881? ...
1881
At 3 St. Thomas St., NethertonHannah Jones Head W 32 Nail maker b. Worcs., Netherton
Margaret Jones Mother-in-law W 69 b. Dursley, Shropshire
Eliza Jones Niece 13 Scholar b. Worcs., Netherton
Florence Taylor Boarder 10 Scholar b. Worcs., NethertonReuben Jones Nephew 1 b. Worcs., Netherton
Joseph Pritchard Boarder 20 b. Worcs., Netherton
Oh, but here's interesting ...
1871
At 3 St. Thomas St., NethertonReuben Jones Head 29 Coal Miner b. Dawley, Shropshire
Hannah Jones Wife 23 b. Baptist End, Worcestershire
Elisa Jones Daur 3 b. Netherton, Worcestershire
Florence Taylor Niece 7 months b. Netherton, Worcestershire
Margaret Jones Mother 47 b. Dawley, Shropshire
Edward Jones Brother 23 b. Netherton, Worcestershire
Selina Taylor Sister-in-law 3 b. Netherton, Worcestershire
John didn't marry his auntie, did he?
