We'll create fresh WordPress site with Sort Page List by Last Name installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Aimed at archivists and other WordPress developers who use the names of individuals as page titles, this plugin sorts wp_list_pages
-generated page lists by last name. More generally, the plugin can also be used to sort wp_list_pages
-generated page lists by the last word of any page’s title.