Why Wikipedia though? Wikidata should be one to get this kind of data and all Wikipedia articles has Wikidata items. On top of that Wikidata even keep records of site name, like when someone change their site name.
I suppose the thought process is, more eyeballs are on corresponding Wikipedia pages for entities than are on Wikidata entries, so it's more likely to be corrected/up-to-date.
In many type of Infobox on Wikipedia, it's Wikidata which is working from the behind and editing the data in such articles is basically being done at Wikidata.
