You can view the register for free by going to the SEAX catalogue of the ERO.
https://www.essexarchivesonline.co.uk/Default.aspxFirst register.
Top right-hand box labelled Document Reference. Type>>> Q/ALc12/3
Elijah appears on Image 71 of 106
For other registers, in the search box type>>> warley asylum register
Then choose the register you wish to view.
I cannot find one for James in 1901, but try yourself
The burial ground has not been built on it is now just an area of grass and trees. See this side by side map view.
https://maps.nls.uk/geo/explore/side-by-side/#zoom=17.7&lat=51.60878&lon=0.29160&layers=168&right=BingHyb