Wikipedia:Proper names and proper nouns

Editors sometimes draw on philosophical themes concerning proper names, in writing, editing, and discussing on Wikipedia – with confusing and sometimes strife-inducing results (most often at WP:Requested moves). Such themes are far less relevant for writing and editing the encyclopedia; only the linguistics take on proper names is truly useful and relevant in determining matters of written formal-English orthography, especially matters of capitalization. Predominant usage in reputable nonfiction publishers is of paramount importance, as repeatedly made clear in our own Wikipedia:Manual of Style.