Think this might be worth pursuing,
Thos Roberts, tailor, 35 married to a Jane 25, both born out of county residing Batchlor St.
HO107; Piece: 556
I found a marriage at St Nicholas Liverpool 24 May 1840
Thomas Roberts, Tailor, Bachelor

res Batchelor St , father Joseph also a Tailor to
Jane Vaughan Spinster, Hope St, father John Vaughan Mariner.
The obvious stumbling block is that Thomas is saying he's a bachelor.
But then on the 1851 census we have Thomas Roberts 46 Tailor born Denbighshire Wales
Jane wife 40 born Holyhead Anglesey, Wales.
Living Batchelor St, Liverpool
HO1072179 / 878/ 19