I think it is a database thing. Saying that, there is the dreaded term <i>High Cross</i>, which would be better as Sculpted Crosses as many of them ain't all that high. I think the term 'high' used is the same as that in <i>High Church</i> and was coined by the protestant Englishified antiquarians in Dublin.
You get similar naming problems with pottery styles, which are often named after the first place they were found in. This can be a problem when the first place they were found in was a remote outlying location from the main concentration.