How dependable is Wikipedia? One answer specific to the nature of the site is that it can only be as reliable as the quality of the information internet users supply.
I turn to it occasionally and am not ashamed, as a professional journalist, to acknowledge that it is often a useful tool. And if I use it, I credit it. But as with all information found on the web, indeed information from any source about which you are not 100 per cent sure, it is best to proceed with caution when making use of what the tool yields.
In the case of the Sunderland AFC page, there are glaring errors and omissions in the list of well known supporters, mistakes that seem all the more bizarre given how much Wikipedia has occasionally dipped into the Celebrity Supporters archives of Salut! Sunderland for its own source material (usually without crediting it to me beyond links from text, plus what I have added myself).
This, then, is the Wikipedia list** of celebrities who support SAFC: