Many Victorian R'chat members have access to records which are not available generally.
Some of these, -- cds, hard copy rates books or street and address directories-- are very useful in locating people and information.
Already on this thread, a good deal of information you didn't have is now in your possession. Correct?
However, when you as the poster of this thread, have information you can't be bothered listing because you find it tedious, helpers may well decide to direct their energies towards other inquiries.
So really, it is in your hands.

What were the names of the witnesses on the marriage certificate?
Sue