This name is also used in the Netherlands and Flanders (albeit rarely), where it is a unisex name (although it is more commonly found on males than on females).For males, the name is usually a short form of Jodocus and Jozef. For females, it is usually a short form of Josephine. See also this link:- http://www.meertens.knaw.nl/nvb/naam/is/Josse (in Dutch)A known bearer of this name is Josse De Pauw (b. 1952), a Flemish actor, director, author and columnist:- https://en.wikipedia.org/wiki/Josse_De_Pauw (in English).
https://pcd.wikipedia.org/wiki/Tiots_noms_din_ches_langues_d%27Ouol