Meaning & History
Short form of ARNOLDA and related names, such as ARNOLDINA. The name might possibly be of West Frisian origin, as the one Dutch bearer of the name (a woman) that I had come across, had a surname that is most prevalent in the Dutch province of Friesland. I should also add that for this bearer, Noks is a (technically informal) short form of one of the official given names on her birth certificate (which in her case is ARNOLDA), since the name is not listed in the Corpus of First Names in The Netherlands, which is an on-line database that features all given names that have been recorded on Dutch birth certificates since 1880.With that said, you might also want to compare this name with the names Nolke and COX (which is also found written as Coks and Koks).