St. Just is an actual place in Cornwall, a town and civil parish in the Penwith district; the one used here is "St. Just-in-Penwith" vs. "St. Just-in-Roseland" (just Don's choice!) The identity of the name of "Saint Just: is still not well-known; Cornwall's long resistance to the edicts of Canterbury and Rome makes it unlikely that the saint was Archbishop Justus of Canterbury, as some sources have claimed-the 6th-century Saint Iestyn (said to be the son of a ruler of Dumnonia) is another possibility and in 1478 William of Worcester found that the church contained the bones of Justus of Trieste Among the prehistoric antiquities nearby is Ballowall Barrow, an ancient chambered tomb St Just is one of the most ancient mining districts in Cornwall, where remains of ancient pre-industrial and more modern mining activity have had a considerable impact on the nearby landscape https://en.wikipedia.org/wiki/St_Just_in_Penwith