Usage: Swedish, Danish, Norwegian, Finnish, Dutch, English (Modern), German (Modern, Rare)Pronounced: KAS-peh (Swedish, Norwegian), KAS-bu (Danish), KAH-spehr (Finnish), KAS-pər (Dutch, English), KA-spu (German)Meaning: Scandinavian form and English variant of Jasper.
https://fi.wikipedia.org/wiki/Kasper
https://almanakka.helsinki.fi/en/name-days/name-day-search.html [noted -ed]