I'm slightly confused by the various comments. The family are definitely in Upper Wolfe street in 1851 between numbers 189 and 187. Then in 1861, his wife Bridget is still there (Woolf street, Toxteth Park) but is now widowed. This time they are between numbers 138 and 140 in a Provision Shop.
So I'm calculating that Patrick, born abt. 1821, died around the age of 30.
He was a Shipsmith in 1851 but the death certificate in 1853 for the Patrick I have found says this Patrick is a Labourer. So, the only thing that really matches is his age.
If I can ascertain a link between where he lived (Upper Wolfe street) and where he died (Bond street courts) that would add to the evidence. A bit tenuous but its all I have to go on :-(