I've just had a look at Lancashire BMD and see that it was a register office marriage, but the same thing applies.
If you use Lancashie BMD to look up all the names which appear together on the GRO page, you will see that Mary Ann McConnell married Robert Rogers, Michael Kelly married Mary Finnaty, James Ginachio married Teresa Devoto. These marriages, as well as William Tattersall and Mary Dooley's, all took place at Manchester Register Office
The marriages referenced page 752 took place at Prestwich St Mary. William Barker married Mary Elizabeth Platt, Joseph Jagger married Esther Butterworth, Joseph Dronsfield married Mary Tasker. There was no Mary Dooley marriage at Prestwich St Mary.