Embarking on a renavigation of Umberto Eco's "Serendipities - Language and Lunacy" (from Italian by William Weaver), the opening chapter "THE FORCE OF FALSITY" yielded the following
Since Vinci is a town near Florence its italian pronounce is VEEN-chee, although in Tuscany probably they say something closer to VEEN-shee. Anyway, Italians pronounce English names using Italian phonetic