In this new data set the western front association has (pension ledgers) shared with ancestry and Fold3 sites, there is a Richard Smailes, Pte 34630, Northumberland Fusiliers, address looks like "School House, Hansby, Acklington, North'd", also says ' GSW Back' (GSW = gun-shot wound)
I assume Hansby is Hauxley and the rest ties in nicely with the AVLs (apart from the nature of the wound which is new info)
If you have an ancestry account they are here for a few more hours for free:
https://www.fold3.com/image/643595988?xid=1022 (that's the smailes card)
or the search page is here:
https://search.ancestry.co.uk/search/db.aspx?dbid=61588