There is this record:
1861 / 2738/ 115
Garston Dock
William Mellor, Married, 38 yrs Mastervb Barton, Cheshire
John Summerfield, married, 71 yrs Waterman
Mary Ann Mellor, 37 yrs Master’s Wife b Runcorn
William Mellor, Master’s son b Widnes
Ellen Summerfield, 37 yrs Warternan’s Wife, b Runcorn
The vessel is called the Rachel.
Transcription is ‘Meller’