The entry to which you refer is:

1841, Douglas, district 10, page 11, Ramsey Inn
William Buchannan, 40, innkeeper, Ireland
Mary, 40
Mary Mylrea, 15
Daniel, 10
Sarah, 3
Robert, 2
Mary, 45, female servant

The next page continues with 10 names which appear to be at the same address. Two of them are listed as "inn keeper" - was there a publicans convention in progress ?