A mysterious war grave that needs researching!

 Minffordd Cemetery, Mynwent, Gwynedd, Wales
(Click on an image for a larger version)
A general view

This war grave is a something of a mystery. The "Wellington Star" was a Refrigerated Cargo Liner sunk on her maiden voyage in 1940 and second vessel of that name wasn't launched until 1952. J L Evan died on Christmas Day in 1944 so perhaps he was a survivor of the 1940 disaster?
His brother was killed in 1942 on the "Tacoma Star" when it was torpedoed by the German submarine U-109, 38 miles east of Hampton Roads, USA. She was on a voyage from Buenos Aires to Hampton Roads and the UK with a cargo of 5107 tons of general cargo. 88 crew and 9 gunners were lost.
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