As I understand it, an innkeeper is a person who holds a licence to keep an inn, which usually also provided accomodation and food jf required. It had a full licence to sell beer, wines and spirits. A licensed victualler had a licence to sell some form of alcohol, but this could be just a beer licence (ie it was a beerhouse, often very small , possibly a converted terrace house) . I am not sure, but believe may also include those with an off licence to sell alcohol for consumption only off the premises. thus an innkeeper could be described as a licensed victualler, but not necessarily vice versa.
Pigot's 1841 and the Post Office 1845 directories both list Joseph Patrick as being the landlord of the Commercial Inn, 120 Gt Hampton St. It was not uncommon in censuses for the male incumbent of a pub to have another profession while holding the licence of the pub. Indeed it was probably a necessity for smaller pubs and beerhouses. In these cases the husband sometime put his profession down as , say, jeweller, butcher, etc, while the wife, who did all the work in the pub put down publican, though this did not always occur. Probably depended on how honest they were as to the division of labour.